http://bugs.winehq.org/show_bug.cgi?id=23355
--- Comment #12 from Yuriy M. Kaminskiy bugztime.f.yukam@antichef.net 2010-10-06 23:17:49 CDT --- Created an attachment (id=31160) --> (http://bugs.winehq.org/attachment.cgi?id=31160) accept "X:" when cwd is "X:"
Something like this? Writing tests and pushing upstream left as exercise to reader.