SUSE-SU-2019:2392-1 Security update for util-linux and shadow

This update for util-linux and shadow fixes the following issues: util-linux: - Fixed an issue where PATH settings in /etc/default/su being ignored bsc1121197 - Prevent outdated pam files bsc1082293. - Do not trim read-only volumes bsc1106214. - Integrate pamkeyinit pam module to login bsc1081947...