libx11: upgrade 1.7.1 -> 1.7.2

libx11: upgrade 1.7.1 -> 1.7.2

Version 1.1.2 - This is a bug fix release, correcting a regression [1] introduced by and
improving the checks from the fix for CVE-2021-31535.

[1] https://gitlab.freedesktop.org/xorg/lib/libx11/-/issues/133
Alan Coopersmith (1):
      libX11 1.7.2
Matthieu Herrb (2):
      include <limits.h> always, not if HAVE_CONFIG_H is set.
      Check for NULL strings before getting their lengths
Tobias Stoeckmann (1):
      Protect against overly long strings

Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>