MB-18609 Add space in stale index information warning.
MB-18609 Add space in stale index information warning.

Change-Id: Ibad03fd996f5a4eb60c04b5c8421df39d12cff0e
Reviewed-on: http://review.couchbase.org/61165
Tested-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>
Reviewed-by: Artem Stemkovski <15a0730a27c69f62ab86f2b6c639fca202166c02@couchbase.com>

ceejatec/ns_server,membase/ns_server,ceejatec/ns_server,ceejatec/ns_server,membase/ns_server,ceejatec/ns_server,membase/ns_server,ceejatec/ns_server,membase/ns_server,membase/ns_server,ceejatec/ns_server,membase/ns_server