Fix AUD_HOST callers

Fix AUD_HOST callers

Servers using the AUD_HOST audit message should give the host IP in
network-byte order, as that is how the auditing code interprets it.
Fix the users of AUD_HOST that do not do so.

Reviewed-on: http://gerrit.openafs.org/3492
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>
(cherry picked from commit b20329e01968d3562f78382b27f7de9948a96899)

Change-Id: I5d8b8059101b147583f006bcdd4abd301721be62
Reviewed-on: http://gerrit.openafs.org/3797
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementia.org>