- fixed CAN-2005-2977 unix_chkpwd should skip user verification only if run
        as root (#168181)
    - link pam_loginuid to libaudit
    - support no tty in pam_access (#170467)
    - updated audit patch (by Steve Grubb)
    - the previous pam_selinux change was not applied properly
    - pam_xauth: look for the xauth binary in multiple directories (#171164)