zebra: mrib: Include BGP routes in RPF lookups

The rib_match_ipv4() function was previously used only for iBGP
recursive nexthop lookups, which ignore eBGP routes.  This is not
desirable for PIM RPF lookups, which may well use an eBGP route.

Cc: Everton Marques <everton.marques@gmail.com>
Cc: Balaji G <balajig81@gmail.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
diff --git a/zebra/rib.h b/zebra/rib.h
index 13011e2..aef7150 100644
--- a/zebra/rib.h
+++ b/zebra/rib.h
@@ -419,7 +419,7 @@
 		            u_int32_t, safi_t safi);
 
 extern struct rib *rib_match_ipv4 (struct in_addr);
-extern struct rib *rib_match_ipv4_safi (struct in_addr addr, safi_t safi);
+extern struct rib *rib_match_ipv4_safi (struct in_addr addr, safi_t safi, int skip_bgp);
 
 extern struct rib *rib_lookup_ipv4 (struct prefix_ipv4 *);