bug#17483: 24.4.50; Emacs cannot display some gif images correctly under dark background

[Eli Zaretskii]

> From: Andreas Schwab <schwab@linux-m68k.org>
> Cc: Tu Do <tuhdo1710@gmail.com>,  17483@debbugs.gnu.org
> Date: Tue, 13 May 2014 19:44:19 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > If you describe how do they do that (e.g., do they use a background
> > that is different from the default?),
> 
> They can't be customized.

Yes, that always helps.