candidate: fix local preferences of udp candidates

udp candidates failed to call nice_candidate_ip_local_preferences()
and were all given the same local preference priority.

diff --git a/agent/candidate.c b/agent/candidate.c
index b6e7012..c1f9dec 100644 (file)
--- a/agent/candidate.c
+++ b/agent/candidate.c
@@ -215,7 +215,7 @@ nice_candidate_ice_local_preference (const NiceCandidate *candidate)
         break;
       case NICE_CANDIDATE_TRANSPORT_UDP:
       default:
-        return 1;
+        direction_preference = 1;
         break;
     }