http://bugs.winehq.org/show_bug.cgi?id=25512
--- Comment #27 from Robert Backhaus robbak@robbak.com 2010-12-26 21:54:02 CST --- (In reply to comment #26)
http://source.winehq.org/patches/ says http://www.winehq.org/pipermail/wine-patches/2010-December/097143.html needs tests before it can be committed.
Patch needs rebasing. Manually applied, the changes do fix the issue.