CBQE-0: fix typo

Change-Id: Ic5362cdc18fddf9250a1043ace0a5194ec5a00d8
Reviewed-on: http://review.couchbase.org/33729
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>