Correct stopping of Core in OSX via Command+Q, and fix a thread from not dying when stopping with CoreAudio

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5013 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_VideoOGL/Src/GLUtil.cpp

@@ -567,6 +567,7 @@ void OpenGL_Update()
 // Close plugin
 void OpenGL_Shutdown()
 {
+	printf("Deleting\n");
 #if defined(USE_WX) && USE_WX
 	delete GLWin.glCanvas;
 	delete GLWin.frame;