Log Message:
libX11: update to 1.7.2.

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