Fix print statement.

Change-Id: Ie7f1f2b9f58d90aa005b7f59516a90abfe3e4d3f
Reviewed-on: http://review.couchbase.org/35472
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>