http://bugs.winehq.org/show_bug.cgi?id=30568
--- Comment #11 from Austin English austinenglish@gmail.com 2012-05-03 12:02:00 CDT --- (In reply to comment #10)
Created attachment 40015 [details] Force NumLock state on for '.' on keypad
Does the attached patch help?
Doesn't help here.