f drop extra ref

Author: TheBlueMatt

lightning/src/ln/peer_handler.rs

@@ -1795,7 +1795,7 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, L: Deref, CMH: Deref> P
 			{
 				let mut peers_lock = self.peers.write().unwrap();
 				for descriptor in descriptors_needing_disconnect.iter() {
-					if let Some(peer) = peers_lock.remove(&descriptor) {
+					if let Some(peer) = peers_lock.remove(descriptor) {
 						if let Some(node_id) = peer.lock().unwrap().their_node_id {
 							log_trace!(self.logger, "Disconnecting peer with id {} due to ping timeout", node_id);
 							self.node_id_to_descriptor.lock().unwrap().remove(&node_id);