rsyslog: Stop syslog socket to avoid process keep running after package uninstall

This update fixes the following issues with rsyslog:

- bnc#840815: Stop syslog.socket in %preun to avoid the daemon we uninstall gets started by a log message due to dependencies

Fixed bugs
bnc#840815
rsyslog process keeps running after package uninstall
Selected Binaries
openSUSE Build Service is sponsored by