CBQE-0:  small trick for conf file

Change-Id: I9532ac0e73d755d5ea26cd7dab173ff028cda709
Reviewed-on: http://review.couchbase.org/25930
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>