Merge r16908, r16909, r16911, and r16912 from trunk. Update to cups-2.1.3, openldap-2.4.44, and vlc-2.2.2.
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/branches/systemd@16917 af4574ff-66df-0310-9fd7-8a98e5e911e0