Minor checkstyle fixes.

Change-Id: I0ead0bc582f99ce2b7c39db1ca1124f72d744c4d
Reviewed-on: http://review.couchbase.org/23980
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: Michael Nitschinger <michael.nitschinger@couchbase.com>