Restore the empty line after the license (#6088)

substrate/client/api/src/call_executor.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! A method call executor interface.
 
 use std::{panic::UnwindSafe, result, cell::RefCell};

substrate/client/api/src/cht.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Canonical hash trie definitions and helper functions.
 //!
 //! Each CHT is a trie mapping block numbers to canonical hash.

substrate/client/api/src/in_mem.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! In memory client backend
 
 use std::collections::HashMap;

substrate/client/api/src/leaves.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Helper for managing the set of available leaves in the chain for DB implementations.
 
 use std::collections::BTreeMap;

substrate/client/api/src/notifications.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 //! Storage notifications
 
 use std::{