fix race

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@715 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_ivr.c

@@ -772,6 +772,7 @@ static void *audio_bridge_thread(switch_thread *thread, void *obj)
 			data->running = -1;
 		}
 
+		switch_yield(1000);
 	}
 	//switch_channel_hangup(chan_b);
 	data->running = 0;