work around bugs in merging remote sdp, we already handle this in our code…

work around bugs in merging remote sdp, we already handle this in our code anyways.  We need to add a tag for this.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7716 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/sofia-sip/libsofia-sip-ua/soa/soa_static.c

@@ -1174,7 +1174,7 @@ static int offer_answer_step(soa_session_t *ss,
 	*local0 = *local, local = local0;
       SU_DEBUG_7(("soa_static(%p, %s): %s\n", (void *)ss, by,
 		  "upgrade with remote description"));
-      soa_sdp_upgrade(ss, tmphome, local, user, remote, &u2s, &s2u);
+      soa_sdp_upgrade(ss, tmphome, local, user, NULL, &u2s, &s2u);
     }
     break;
   case process_answer: