update for cups
Hardening:
- cups-0002-systemd-listen-only-on-localhost-for-socket-activation.patch
fixes the systemd cups.socket file so that systemd listens only
on localhost (bnc#857372).
- Submitted by Johannes Meixner (jsmeix)
Fixed bugs
bnc#857372
cups: cups.socket is listening on 0.0.0.0