Null checks in sounds before pause/resume.

Author: bladecoder

blade-engine/src/com/bladecoder/engine/model/SceneSoundManager.java

@@ -83,21 +83,21 @@ public void stopSound(String id) {
 
 	public void stop() {
 		for(LoadedSound s:loadedSounds.values()) {
-			if(s.playing)
+			if(s.playing && s.sound != null)
 				stopSound(s.desc.getId());
 		}
 	}
 
 	public void resume() {
 		for(LoadedSound s:loadedSounds.values()) {
-			if(s.playing)
+			if(s.playing && s.sound != null)
 				s.sound.resume();
 		}
 	}
 
 	public void pause() {
 		for(LoadedSound s:loadedSounds.values()) {
-			if(s.playing)
+			if(s.playing && s.sound != null)
 				s.sound.pause();
 		}
 	}