Multiple fixes.
    
    - update the audit-grantor patch with the upstream changes
    - pam_userdb: correct the example in man page (#1078784)
    - pam_limits: check whether the utmp login entry is valid (#1080023)
    - pam_console_apply: do not print error if console.perms.d is empty
    - pam_limits: nofile refers to open file descriptors (#1111220)
    - apply PIE and full RELRO to all binaries built