Fix Animated GIFs Patch

Fix animated GIF playback. Minimal change adopted by several distributions but not an optimal solution.

Bug Reference:

• https://bbs.archlinux.org/viewtopic.php?id=195311
• https://sourceforge.net/p/lxde/bugs/814/
• https://bugs.gentoo.org/699528
• https://bugs.mageia.org/show_bug.cgi?id=18208