Fix ns_server project pointer

Change-Id: I45f9fe09a9c317e4917758d280f8853428cec8bd
Reviewed-on: http://review.couchbase.org/26512
Reviewed-by: Junyi Xie <junyi.couchbase@gmail.com>
Tested-by: Junyi Xie <junyi.couchbase@gmail.com>