[Bug 36794] valgrind shows an invalid free for comctl32/tests/listview.c

https://bugs.winehq.org/show_bug.cgi?id=36794

--- Comment #3 from Austin English  ---
(In reply to Austin English from comment #2)
> (In reply to Sebastian Lackner from comment #1)
> > Created attachment 48898 [details]
> > comctl32: Unset window pointer before deallocating the memory (Valgrind).
> >
> > Can you try this patch, please?
>
> I can't get the bug to reliably occur in wine-1.7.20-122-gd2d62cf or
> wine-1.7.21.

With a fresh Fedora install and wine-1.7.32, I'm able to reproduce this again
reliably. The patch, however, doesn't help.