This update for pam fixes the following issues:
- CVE-2015-3238: pam_unix in conjunction with SELinux allowed for DoS attacks (bsc#934920).
- log a hint to syslog if /etc/nologin is present, but empty (bsc#1015565).
- If /etc/nologin is present, but empty, log a hint to syslog. (bsc#1015565)
- Added support for libowcrypt.so, if present, to configure support for BLOWFISH (bsc#1037824)