- pam-login_defs-check.sh: adjust for new login.defs variable usages

- Update to 1.5.2
Noteworthy changes in Linux-PAM 1.5.2:
* pam_exec: implemented quiet_log option.
* pam_mkhomedir: added support of HOME_MODE and UMASK from
/etc/login.defs.
* pam_timestamp: changed hmac algorithm to call openssl instead
of the bundled sha1 implementation if selected, added option
to select the hash algorithm to use with HMAC.
* Added pkgconfig files for provided libraries.
* Added --with-systemdunitdir configure option to specify systemd
unit directory.
* Added --with-misc-conv-bufsize configure option to specify the
buffer size in libpam_misc's misc_conv() function, raised the
default value for this parameter from 512 to 4096.
* Multiple minor bug fixes, portability fixes, documentation
improvements, and translation updates.
pam_tally2 has been removed upstream, remove pam_tally2-removal.patch
pam_cracklib has been removed from the upstream sources. This
obsoletes pam-pam_cracklib-add-usersubstr.patch and
pam_cracklib-removal.patch.
The following patches have been accepted upstream and, so,
are obsolete:
- pam-bsc1181443-make-nofile-unlimited-mean-nr_open.patch
- pam_securetty-don-t-complain-about-missing-config.patch
- bsc1184358-prevent-LOCAL-from-being-resolved.patch
- revert-check_shadow_expiry.diff
[Linux-PAM-1.5.2-docs.tar.xz, Linux-PAM-1.5.2-docs.tar.xz.asc,
Linux-PAM-1.5.2.tar.xz, Linux-PAM-1.5.2.tar.xz.asc,