var-run: make sure /var/run/user is properly created and labelled

https://bugzilla.redhat.com/show_bug.cgi?id=627457

units/var-run.service

@@ -16,6 +16,7 @@ Before=local-fs.target
 Type=oneshot
 RemainAfterExit=yes
 ExecStart=/bin/touch /var/run/utmp ; /bin/chmod 0664 /var/run/utmp ; /bin/chown root:utmp /var/run/utmp
+ExecStart=/bin/mkdir /var/run/user ; /bin/chmod 0755 /var/run/user ; -/sbin/restorecon /var/run/user
 
 [Install]
 WantedBy=local-fs.target