lib: straighten out ORF prefix list support

BGP ORF prefix lists are in a separate namespace; this was previously
hooked up with a special-purpose AFI value.  This is a little kludgy for
extension, hence this splits it off.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
Acked-by: Paul Jakma <paul@jakma.org>
diff --git a/bgpd/bgpd.c b/bgpd/bgpd.c
index d72708e..4de854e 100644
--- a/bgpd/bgpd.c
+++ b/bgpd/bgpd.c
@@ -595,7 +595,7 @@
   /* Clear ORF info */
   peer->orf_plist[afi][safi] = NULL;
   sprintf (orf_name, "%s.%d.%d", peer->host, afi, safi);
-  prefix_bgp_orf_remove_all (orf_name);
+  prefix_bgp_orf_remove_all (afi, orf_name);
 
   /* Set default neighbor send-community.  */
   if (! bgp_option_check (BGP_OPT_CONFIG_CISCO))