Put my refresh rate code back in. (mutter)

stepmania/src/RageDisplay.cpp

@@ -171,20 +171,8 @@ bool RageDisplay::SetVideoMode( bool windowed, int width, int height, int bpp, i
 #ifdef SDL_HAS_REFRESH_RATE
 	if(rate == REFRESH_DEFAULT)
 		SDL_SM_SetRefreshRate(0);
-	/*else
-	// Change Windows Refresh Rate:
-	// This is a modification of a code snippet I found
-	// It changes the windows desktop refresh rate if
-	// it's on a windows platform.
-	// -=Lance Gilbert=-
-	#if defined(WIN32)
-	::ZeroMemory(&SMGfx, sizeof(SMGfx));
-	SMGfx.dmDisplayFrequency = rate;
-	SMGfx.dmFields = DM_DISPLAYFREQUENCY;
-	SMGfx.dmSize = sizeof(SMGfx);
-	ChangeDisplaySettings(&SMGfx, 0);
-	#endif*/
-
+	else
+		SDL_SM_SetRefreshRate(rate);
 #endif
 
 	bool need_reload = false;