[Bug 6006] incorrect paint of invisible buttons

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=6006

------- Additional Comments From [e-mail]  2007-03-02 21:55 -------
Created an attachment (id=4774)
 --> (http://bugs.winehq.org/attachment.cgi?id=4774&action=view)
paint-reproduction.png

Attaching image of what paint-reproduction.c generates.
Notice the rect(10,10,30,20) of garbage pixels.  On Windows, that rect is
filled with the background color.