http://bugs.winehq.org/show_bug.cgi?id=22356
--- Comment #7 from Roderick Colenbrander thunderbird2k@gmail.com 2010-04-27 15:40:19 --- Created an attachment (id=27581) --> (http://bugs.winehq.org/attachment.cgi?id=27581) Fix
This patch should fix the problem.