pull ScreenPrompt init into a separate function, so it's slightly less of a special

case; maybe this class's instances can be made reusable ...

stepmania/src/ScreenSaveSync.h

@@ -9,6 +9,7 @@ class ScreenSaveSync : public ScreenPrompt
 {
 public:
 	ScreenSaveSync( const CString &sScreenName );
+	virtual void Init();
 };