MFH: r509218 r509225

x11/xdm: Update to 1.1.12

Update x11/xdm to 1.1.12.
This is a big release, incorporating over 7 years worth of changes.

Changelog:
https://lists.x.org/archives/xorg-announce/2019-March/002959.html

Obtained from: FreeBSD Graphics Team development repo

		https://github.com/FreeBSDDesktop/freebsd-ports/tree/feature/xorglibs

Seucrity: CVE-2013-2179
Sponsored by: B3 Init

x11/xdm: Remove patch file

Remove patch file, this should have been done in r509218, but was missed
when moving from git to SVN.

PR: 239942
Reported by: Martin Birgmeier
X-MFH-with: 509218
Sponsored by: B3 Init

Approved by: ports-secteam (joneum)