https://bugs.winehq.org/show_bug.cgi?id=40828
--- Comment #29 from Olivier F. R. Dierick o.dierick@piezo-forte.be --- (In reply to Hamish Claxton from comment #28)
I do agree though that your much simpler fix should be submitted upstream, though I am a bit confused as to what to do with mine as you say it should be used as an enhancement.
I replied in bug 46437.