maintainer-feedback requested: [Bug 274266] x11/libX11: update vulnerable port to 1.8.7

Bugzilla Automation <[email protected]> has asked freebsd-x11 (Nobody)
<[email protected]> for maintainer-feedback:
Bug 274266: x11/libX11: update vulnerable port to 1.8.7
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274266



--- Description ---
X11 has published a security bulletin [1] that exposes the following CVEs in
our x11/libX11 version 1.8.6:

CVE-2023-43785: out-of-bounds memory access in _XkbReadKeySyms()
CVE-2023-43786: stack exhaustion from infinite recursion in PutSubImage()
CVE-2023-43787: Integer overflow in XCreateImage() leading to a heap overflow

See changelog for a full list of changes in the release [2].

The attached patch bumps the Makefile, distinfo and updates the pkg-plist
according to man pages reorganization.

See also related report #274265 regarding x11/libXpm.

1. https://lists.x.org/archives/xorg/2023-October/061506.html
2.
https://gitlab.freedesktop.org/xorg/lib/libx11/-/compare/libX11-1.8.6...libX11-
1.8.7