package/x11r7/xlib_libXrandr: security bump to 1.5.1

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_libXrandr/xlib_libXrandr.hash

@@ -1,2 +1,2 @@
-# From http://lists.x.org/archives/xorg-announce/2015-May/002606.html
-sha256	6f864959b7fc35db11754b270d71106ef5b5cf363426aa58589cb8ac8266de58	libXrandr-1.5.0.tar.bz2
+# From https://lists.x.org/archives/xorg-announce/2016-October/002724.html
+sha256 1ff9e7fa0e4adea912b16a5f0cfa7c1d35b0dcda0e216831f7715c8a3abcf51a  libXrandr-1.5.1.tar.bz2

package/x11r7/xlib_libXrandr/xlib_libXrandr.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-XLIB_LIBXRANDR_VERSION = 1.5.0
+XLIB_LIBXRANDR_VERSION = 1.5.1
 XLIB_LIBXRANDR_SOURCE = libXrandr-$(XLIB_LIBXRANDR_VERSION).tar.bz2
 XLIB_LIBXRANDR_SITE = http://xorg.freedesktop.org/releases/individual/lib
 XLIB_LIBXRANDR_LICENSE = MIT