[#2333] Comment pa_stream_trigger in pulseaudio underrun

sflphone-common/src/audio/pulseaudio/pulselayer.cpp

@@ -57,7 +57,8 @@ static void stream_moved_callback(pa_stream *s UNUSED, void *userdata UNUSED)
 static void playback_underflow_callback (pa_stream* s,  void* userdata UNUSED)
 {
     _debug ("PulseLayer::Buffer Underflow\n");
-    pa_stream_trigger (s, NULL, NULL);
+    // pa_stream_trigger (s, NULL, NULL);
+
 }