MB-30200 Check if auditdEnabled is define before using
MB-30200 Check if auditdEnabled is define before using

Change-Id: I75fb290ae40f9b31dd6643c68038de0d1c36a289
Reviewed-on: http://review.couchbase.org/95937
Reviewed-by: Mike Wiederhold <a17fed27eaa842282862ff7c1b9c8395a26ac320@couchbase.com>
Tested-by: Patrick Varley <cbb7353e6d953ef360baf960c122346276c6e320@couchbase.com>

couchbase/couchbase-cli,couchbase/couchbase-cli