[Bug 47486] GsView draws one menu item with white background

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=47486

--- Comment #2 from Fabian Maurer  ---
Turns out the problem are the used bitmaps that are displayed in the menu.
It works when the bitmap has the color table {0x000000, 0xffffff} but it breaks
with the color table {0xffffff, 0x000000}.

On windows, the white is in both cases replaced with the background color, in
Wine it only works in the first case.