pulse: do not resync on suspend

Suspension should not occur during playback. However, it can happen
while the stream is starting. In that case, forgetting the
synchronization informations is more harmful than good.
(cherry picked from commit ac1d1616c9814e9bae1588c60bc256dc3e15508c)

modules/audio_output/pulse.c

@@ -452,7 +452,7 @@ static void stream_suspended_cb(pa_stream *s, void *userdata)
     audio_output_t *aout = userdata;
 
     msg_Dbg(aout, "suspended");
-    stream_reset_sync(s, aout);
+    (void) s;
 }
 
 static void stream_underflow_cb(pa_stream *s, void *userdata)