package/x11r7/xlib_libXtst: security bump to 1.2.3

Please see the security advisory for details:
https://lists.x.org/archives/xorg-announce/2016-October/002720.html

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/x11r7/xlib_libXtst/xlib_libXtst.hash

@@ -1,2 +1,2 @@
-# From http://lists.x.org/archives/xorg-announce/2013-May/002237.html
-sha256	ef0a7ffd577e5f1a25b1663b375679529663a1880151beaa73e9186c8309f6d9	libXtst-1.2.2.tar.bz2
+# From https://lists.x.org/archives/xorg-announce/2016-October/002726.html
+sha256 4655498a1b8e844e3d6f21f3b2c4e2b571effb5fd83199d428a6ba7ea4bf5204  libXtst-1.2.3.tar.bz2

package/x11r7/xlib_libXtst/xlib_libXtst.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-XLIB_LIBXTST_VERSION = 1.2.2
+XLIB_LIBXTST_VERSION = 1.2.3
 XLIB_LIBXTST_SOURCE = libXtst-$(XLIB_LIBXTST_VERSION).tar.bz2
 XLIB_LIBXTST_SITE = http://xorg.freedesktop.org/releases/individual/lib
 XLIB_LIBXTST_LICENSE = MIT