cosmetic changes.

Change-Id: I6bb8a7410b1455e684e66fa1ca3250cdaea97c2d
Reviewed-on: http://review.couchbase.org/40414
Reviewed-by: John Liang <johliang00@gmail.com>
Reviewed-by: Pratap Chakravarthy <prataprc@couchbase.com>
Tested-by: Pratap Chakravarthy <prataprc@couchbase.com>