remove the extra ? in the license header (#500)

substrate/polkadot/cli/src/chain_spec.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Predefined chains.
 

substrate/substrate/network-libp2p/src/custom_proto.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 use bytes::{Bytes, BytesMut};
 use ProtocolId;

substrate/substrate/network-libp2p/src/lib.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 #![recursion_limit="128"]
 #![type_length_limit = "268435456"]

substrate/substrate/network-libp2p/src/network_state.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 use bytes::Bytes;
 use fnv::{FnvHashMap, FnvHashSet};

substrate/substrate/network-libp2p/src/service.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 use bytes::Bytes;
 use {Error, ErrorKind, NetworkConfiguration, NetworkProtocolHandler};

substrate/substrate/network-libp2p/src/timeouts.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 use futures::{Async, future, Future, Poll, stream, Stream, sync::mpsc};
 use std::io::{Error as IoError, ErrorKind as IoErrorKind};

substrate/substrate/network-libp2p/src/transport.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 use libp2p::{self, Transport, mplex, secio, yamux};
 use libp2p::core::{MuxedTransport, either, upgrade};

substrate/substrate/network/src/blocks.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use std::mem;
 use std::cmp;

substrate/substrate/network/src/config.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 pub use service::Roles;
 

substrate/substrate/network/src/consensus_gossip.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Utility for gossip of network messages between authorities.
 //! Handles chain-specific and standard BFT messages.

substrate/substrate/network/src/error.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Polkadot service possible errors.
 

substrate/substrate/network/src/import_queue.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Blocks import queue.
 

substrate/substrate/network/src/io.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use network_libp2p::{NetworkContext, Severity, NodeIndex, SessionInfo};
 

substrate/substrate/network/src/lib.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 #![warn(unused_extern_crates)]
 #![warn(missing_docs)]

substrate/substrate/network/src/on_demand.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 //! On-demand requests service.
 

substrate/substrate/network/src/protocol.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use std::collections::{HashMap, HashSet};
 use std::{mem, cmp};

substrate/substrate/network/src/sync.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use std::collections::HashMap;
 use std::sync::Arc;

substrate/substrate/service/src/config.rs

@@ -12,7 +12,7 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.?
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Service configuration.