@@ -1548,7 +1548,7 @@ int GetMenuItemIndex(const Window *w, in
void InvalidateWindow(byte cls, WindowNumber number)
{
Window *w;
const Window* w;
for (w = _windows; w != _last_window; w++) {
if (w->window_class == cls && w->window_number == number) SetWindowDirty(w);