Linux-PAM release 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.