- sync. with F-9 bug fixes.
    - fix lexer ambiguity in match when map type name is included in map name.
    - check for nohide mounts.
    - ignore nsswitch sources that aren't supported.
    - don't abuse the ap->ghost field on NFS mount.
    - multi-map doesn't pickup NIS updates automatically.
    - eliminate redundant DNS name lookups.
    - mount thread create condition handling fix.
    - allow directory create on NFS root.
    - check direct mount path length.
    - fix incorrect in check in get user info.
    - fix a couple of memory leaks.
    - don't close file handle for rootless direct mounti-mount at mount.
    - wait submount expire thread completion when expire successful.
    - add inadvertantly ommitted server list locking in LDAP module.
    - add map-type-in-map-name fix patch to sync with upstream and RHEL.
    - don't readmap on HUP for new mount.
    - add NIS_PARTIAL to map entry not found check and fix use after free bug.
    - fix fd leak at multi-mount non-fatal mount fail.
    - fix incorrect multi-mount mountpoint calcualtion.
    - add upstream bug fixes
    - bug fix for mtab check.
    - bug fix for zero length nis key.
    - update for ifc buffer handling.
    - bug fix for kernel automount handling.
    - add command line option to override is running check.
    - don't use proc fs for is running check.
    - fix fail on included browse map not found.
    - fix incorrect multi source messages.
    - clear stale flag on map read.
    - fix proximity other rpc ping timeout.
    - refactor mount request vars code.
    - make handle_mounts startup condition distinct.
    - fix submount shutdown handling.
    - try not to block on expire.
    - add configuration paramter UMOUNT_WAIT.
    - fix multi mount race.
    - fix nfs4 colon escape handling.
    - check replicated list after probe.
    - add replicated server selection debug logging.
    - update replicated server selection documentation.
    - use /dev/urandom instead of /dev/random.
    - check for mtab pointing to /proc/mounts.
    - fix interface config buffer size.
    - fix percent hack heap corruption.
    - fix segv during library re-open.
    - fix incorrect pthreads condition handling for expire requests.