bug#17524: 24.4.50; emacs_backtrace.txt

[Eli Zaretskii]

> From: Michael Heerdegen <michael_heerdegen@web.de>
> Date: Mon, 19 May 2014 00:58:39 +0200
> Cc: 17524@debbugs.gnu.org
> 
> FWIW, it doesn't crash on Debian using emacs-24 (and the font is applied
> correctly).

Please try with a non-existent font pattern.

I fixed the crash for w32 only, as the corresponding code in xfns.c
looks a bit different, and I have no way of testing this recipe on X.