Fix indentation.

Change-Id: I143477cd72d82d1ae08e23460c25feb529eeb362
Reviewed-on: http://review.couchbase.org/33809
Tested-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>