stream: Clear connchecks on restart inside stream

agent/agent.c

@@ -3698,9 +3698,6 @@ nice_agent_restart (
 
   agent_lock();
 
-  /* step: clean up all connectivity checks */
-  conn_check_free (agent);
-
   /* step: regenerate tie-breaker value */
   priv_generate_tie_breaker (agent);
 
@@ -3709,7 +3706,7 @@ nice_agent_restart (
 
     /* step: reset local credentials for the stream and 
      * clean up the list of remote candidates */
-    stream_restart (stream, agent->rng);
+    stream_restart (agent, stream, agent->rng);
   }
 
   agent_unlock_and_emit (agent);

agent/stream.c

@@ -133,10 +133,13 @@ void stream_initialize_credentials (Stream *stream, NiceRNG *rng)
  * session.
  */
 void
-stream_restart (Stream *stream, NiceRNG *rng)
+stream_restart (NiceAgent *agent, Stream *stream, NiceRNG *rng)
 {
   GSList *i;
 
+  /* step: clean up all connectivity checks */
+  conn_check_prune_stream (agent, stream);
+
   stream->initial_binding_request_received = FALSE;
 
   stream_initialize_credentials (stream, rng);

agent/stream.h

@@ -93,7 +93,7 @@ void
 stream_initialize_credentials (Stream *stream, NiceRNG *rng);
 
 void
-stream_restart (Stream *stream, NiceRNG *rng);
+stream_restart (NiceAgent *agent, Stream *stream, NiceRNG *rng);
 
 G_END_DECLS