Automatic update for autofs-5.1.8-20.eln126.

Changelog

* Sat Mar 25 2023 Ian Kent <ikent@redhat.com> - 1:5.1.8-20
- fix autofs regression due to positive_timeout.
- fix parse module instance mutex naming.
- serialise lookup module open and reinit.
- coverity fix for invalid access.
- fix hosts map deadlock on restart.
- fix deadlock with hosts map reload.
- fix memory leak in update_hosts_mounts().
- fix minus only option handling in concat_options().
- fix incorrect path for is_mounted() in try_remount().
- fix additional tsv invalid access.
- fix use_ignore_mount_option description.
- include addtional log info for mounts.
- fail on empty replicated host name.
- improve handling of ENOENT in sss setautomntent().
- don't immediately call function when waiting.
- fix return status of mount_autofs().
- don't close lookup at umount.
- fix deadlock in lookups.
- dont delay expire.
- make amd mapent search function name clear.
- rename statemachine() to signal_handler().
- make signal handling consistent.
- eliminate last remaining state_pipe usage.
- add function master_find_mapent_by_devid().
- use device id to locate autofs_point when setting log priotity.
- add command pipe handling functions.
- switch to application wide command pipe.
- get rid of unused field submnt_count.
- fix mount tree startup reconnect.
- fix unterminated read in handle_cmd_pipe_fifo_message().