Removed unused variable from Java class for Android. The audio thread was moved to native side and "protected" prevented a warning.
diff --git a/android-project/src/org/libsdl/app/SDLActivity.java b/android-project/src/org/libsdl/app/SDLActivity.java
index a7cb055..cf35250 100644
--- a/android-project/src/org/libsdl/app/SDLActivity.java
+++ b/android-project/src/org/libsdl/app/SDLActivity.java
@@ -42,7 +42,6 @@ public class SDLActivity extends Activity {
protected static Thread mSDLThread;
// Audio
- protected static Thread mAudioThread;
protected static AudioTrack mAudioTrack;
// Load the .so