Restore the empty line after the license (#6088)

substrate/client/consensus/aura/src/digests.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/>.
+
 //! Aura (Authority-Round) digests
 //!
 //! This implements the digests for AuRa, to allow the private

substrate/client/consensus/babe/rpc/src/lib.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/>.
+
 //! RPC api for babe.
 
 use sc_consensus_babe::{Epoch, authorship, Config};

substrate/client/consensus/manual-seal/src/error.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 manual sealing engine: the engine listens for rpc calls to seal blocks and create forks.
 //! This is suitable for a testing environment.
 use sp_consensus::{Error as ConsensusError, ImportResult};

substrate/client/consensus/manual-seal/src/lib.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 manual sealing engine: the engine listens for rpc calls to seal blocks and create forks.
 //! This is suitable for a testing environment.
 

substrate/client/consensus/pow/src/lib.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/>.
+
 //! Proof of work consensus for Substrate.
 //!
 //! To use this engine, you can need to have a struct that implements