CBQE-0: fix n1ql TypeError: not enough arguments for format string

Change-Id: Ie9049d47986616c2dcb0a968416b94f5459d56a6
Reviewed-on: http://review.couchbase.org/43565
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>