update for xorg-x11-server

Fixes the following security issue:
- an authenticated X client
can cause an X server to use memory after it was freed,
potentially leading to crash and/or memory corruption.
(CVE-2013-4396, bnc#843652)
and the following bug was fixed too:
- rfbAuthReenable is accessing rfbClient structure that was in
most cases already freed. It actually needs only ScreenPtr,
so pass it directly. (bnc#816813)

Fixed bugs
VUL-0: CVE-2013-4396: xorg-x11-server: Use after free in Xserver handling of ImageText requests
gnome-session: Fatal IO error 11 (Resource temporarily unavailable) on X server
Selected Binaries
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