http://bugs.winehq.org/show_bug.cgi?id=11223
--- Comment #3 from Lei Zhang thestig@google.com 2008-01-17 20:58:36 --- Looks like Rob just implemented it:
http://source.winehq.org/git/wine.git/?a=commit;h=a9e967346002253e576285c9af...
Can you try the latest Wine from git or wait for Wine 0.9.54?