MB-33974 fix typo on user_dn_mapping
MB-33974 fix typo on user_dn_mapping

Change-Id: Id87db94f4ee18f1c46f9ad1acb2259cd02d044d5
Reviewed-on: http://review.couchbase.org/108461
Reviewed-by: Carlos Gonzalez <36e622408f153c22cbe9b942c093fb5a1daab1e3@couchbase.com>
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>

couchbase/couchbase-cli,couchbase/couchbase-cli