bgpd: IPv4 MP-BGP Routes addition and deletion

This patch contains the following:
1. Addition of IPv4 SAFI_MULTICAST BGP routes into the BGP Multicast RIB.
2. Deletion of IPv4 SAFI_MULTICAST BGP routes from the BGP Multicast RIB.
diff --git a/bgpd/bgp_zebra.h b/bgpd/bgp_zebra.h
index bd95386..1351333 100644
--- a/bgpd/bgp_zebra.h
+++ b/bgpd/bgp_zebra.h
@@ -25,8 +25,8 @@
 extern int bgp_if_update_all (void);
 extern int bgp_config_write_redistribute (struct vty *, struct bgp *, afi_t, safi_t,
 				   int *);
-extern void bgp_zebra_announce (struct prefix *, struct bgp_info *, struct bgp *);
-extern void bgp_zebra_withdraw (struct prefix *, struct bgp_info *);
+extern void bgp_zebra_announce (struct prefix *, struct bgp_info *, struct bgp *, safi_t);
+extern void bgp_zebra_withdraw (struct prefix *, struct bgp_info *, safi_t);
 
 extern int bgp_redistribute_set (struct bgp *, afi_t, int);
 extern int bgp_redistribute_rmap_set (struct bgp *, afi_t, int, const char *);