Use ap_get_useragent_host instead of ap_get_remote_host
Use ap_get_useragent_host instead of ap_get_remote_host

    - according to https://www.apachelounge.com/Changelog-2.4.html,
      modules should be updated to inquire for ap_get_useragent_host()
      in place of ap_get_remote_host().

    - use module magic number 20120211,56 to determine whether to use ap_get_useragent_host
    (according to https://github.com/apache/httpd/blob/2.4.x/include/ap_mmn.h)

adelton/mod_authnz_pam,adelton/mod_authnz_pam