Fix rustfmt errors

zebra-network/src/policies.rs

@@ -34,10 +34,11 @@ impl<Req: Clone + std::fmt::Debug, Res, E: std::fmt::Debug> Policy<Req, Res, E>
                 Some(
                     // Let other tasks run, so we're more likely to choose a different peer,
                     // and so that any notfound inv entries win the race to the PeerSet.
+                    //
                     // # Security
                     //
                     // We want to choose different peers for retries, so we have a better chance of getting each block.
-                    // This is implemented by the connection state machine sending synthetic `notfound`s to the 
+                    // This is implemented by the connection state machine sending synthetic `notfound`s to the
                     // `InventoryRegistry`, as well as forwarding actual `notfound`s from peers.
                     Box::pin(tokio::task::yield_now().map(move |()| retry_outcome)),
                 )

zebra-network/src/protocol/external/message.rs

@@ -402,7 +402,7 @@ impl TryFrom<Message> for VersionMessage {
 }
 
 // TODO: add tests for Error conversion and Reject message serialization
- // (Zebra does not currently send reject messages, and it ignores received reject messages.)
+// (Zebra does not currently send reject messages, and it ignores received reject messages.)
 impl<E> From<E> for Message
 where
     E: Error,