http://bugs.winehq.org/show_bug.cgi?id=58916
--- Comment #3 from Gcenx gcenx83@gmail.com --- (In reply to Tim Clem from comment #2)
Ah, thanks for catching this, Dean. I don't have a machine with an old enough OS to reproduce this right now. Does the patch I just attached fix it for you?
Took a while but the patch indeed fixes the i386 build problem.