the progress now displays on a mac. Needs some visual adjustments though.

src/arch/LoadingWindow/LoadingWindow_MacOSX.h

@@ -9,6 +9,8 @@ public:
 	LoadingWindow_MacOSX();
 	~LoadingWindow_MacOSX();
 	void SetText( RString str );
+	void SetProgress( const int progress );
+	void SetTotalWork( const int totalWork );
 };
 #define USE_LOADING_WINDOW_MACOSX