[Bug 28741] Odd coordinate in hit test causes uninitialized value references in MONTHCAL_CalculateDayOfWeek()?

https://bugs.winehq.org/show_bug.cgi?id=28741

--- Comment #5 from Bruno Jesus  ---
(In reply to Austin English from comment #4)
> (In reply to Bruno Jesus from comment #2)
> > Created attachment 48700 [details]
> > patch
> >
> > I can't see the error here but I think this patch may help.
>
> Bruno, would you mind resubmitting this patch?

Sorry, it was rejected. No other idea how to fix this for now.