fix ALLOW_RESIZE

stepmania/src/ScreenCenterImage.cpp

@@ -10,6 +10,8 @@
 #include "HelpDisplay.h"
 #include "ScreenDimensions.h"
 
+static ThemeMetric<bool>	ALLOW_RESIZE("ScreenCenterImage","AllowResize");
+
 REGISTER_SCREEN_CLASS( ScreenCenterImage );
 ScreenCenterImage::ScreenCenterImage( CString sClassName ) : ScreenWithMenuElements( sClassName )
 {
@@ -76,6 +78,9 @@ void ScreenCenterImage::Input( const DeviceInput& DeviceI, const InputEventType
 		}
 	}
 
+	if( !ALLOW_RESIZE )
+		return;
+
 	bool bIncrease = false;
 
 	Axis axis = NUM_AXES;