v1.0.3: fixed audio issues on desktop caused by threading addition

SPD-classes/src/main/java/com/watabou/noosa/audio/Music.java

@@ -131,11 +131,22 @@ public enum Music {
 		public void onCompletion(com.badlogic.gdx.audio.Music music) {
 			//we do this in a separate thread to avoid graphics hitching while the music is prepared
 			//FIXME this fixes graphics stutter but there's still some audio stutter, perhaps keep more than 1 player alive?
-			new Thread(){
+			if (!DeviceCompat.isDesktop()) {
+				new Thread() {
 					@Override
 					public void run() {
-					synchronized (Music.INSTANCE) {
+						playNextTrack(music);
-						if (trackList == null || trackList.length == 0 || player.isLooping() || music != player){
+					}
+				}.start();
+			} else {
+				//don't use a separate thread on desktop, causes errors and makes no performance difference(?)
+				playNextTrack(music);
+			}
+		}
+	};
+
+	private synchronized void playNextTrack(com.badlogic.gdx.audio.Music music){
+		if (trackList == null || trackList.length == 0 || music != player || player.isLooping()){
 			return;
 		}
 
@@ -155,10 +166,6 @@ public enum Music {
 		}
 
 		play(trackQueue.remove(0), trackLooper);
-					}
-				}
-			}.start();
-		}
 	};
 
 	private synchronized void play(String track, com.badlogic.gdx.audio.Music.OnCompletionListener listener){