free the previous their_features

Author: instagibbs

lightningd/peer_control.c

@@ -1403,8 +1403,10 @@ void peer_connected(struct lightningd *ld, const u8 *msg)
 	if (!peer)
 		peer = new_peer(ld, 0, &id, &hook_payload->addr,
 				their_features, hook_payload->incoming);
-	else
+	else {
+		tal_free(peer->their_features);
 		peer->their_features = tal_dup_talarr(peer, u8, their_features);
+	}
 
 	/* We track this, because messages can race between connectd and us.
 	 * For example, we could tell it to attach a subd, but it's actually