fixed #732

rendering/audio.cpp

@@ -424,8 +424,9 @@ void SetAudioWakeObject(QObject *o)
   audio_wake_mutex.unlock();
 }
 
-void WakeAudioWakeObject() {
+void WakeAudioWakeObject() {  
   QObject* audio_wake_object = GetAudioWakeObject();
+
   if (audio_wake_object != nullptr) {
     QMetaObject::invokeMethod(audio_wake_object, "play_wake", Qt::QueuedConnection);
   }