bridge/bif tweak

[Martin Pieuchot]

There's no need to get the `bif' pointer again, we already got it from
the list :)

ok?

diff --git sys/net/if_bridge.c sys/net/if_bridge.c
index 22f67c39dca..838f6d32886 100644
--- sys/net/if_bridge.c
+++ sys/net/if_bridge.c
@@ -770,7 +770,6 @@ bridge_output(struct ifnet *ifp, struct mbuf *m, struct 
sockaddr *sa,
         * get there, send to all interfaces.
         */
        if (dst_if == NULL) {
-               struct bridge_iflist *bif, *bif0;
                struct mbuf *mc;
                int used = 0;
 
@@ -804,9 +803,7 @@ bridge_output(struct ifnet *ifp, struct mbuf *m, struct 
sockaddr *sa,
                                }
                        }
 
-                       bif0 = (struct bridge_iflist *)dst_if->if_bridgeport;
-                       KASSERT(bif0 != NULL);
-                       if (bridge_filterrule(&bif0->bif_brlout, eh, mc) ==
+                       if (bridge_filterrule(&bif->bif_brlout, eh, mc) ==
                            BRL_ACTION_BLOCK)
                                continue;