bug#1348: set-frame-width and set-frame-position seem buggy on at least MSWindows

[martin rudalics]

> I'd advise against it: as Jason wrote, that patch mixes two different
> threads, which is asking for trouble.  It'd be a pity to waste your
> valuable time on using and debugging incorrect code.

I understand.  But earlier I stated that I would test proposed patches,
so that's what I'm doing now.  If we think that grischka's patch is
wrong, we should be able to give an (at least hypothetical) example why.

martin