Removed unused variable
Removed unused variable

Change-Id: Iaee15ae982c2985738c16054437aec7eb89ff7ec
Reviewed-on: http://review.membase.org/6481
Reviewed-by: Dustin Sallings <1c08efb9b3965701be9d700d9a6f481f1ffec3ea@spy.net>
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

membase/bucket_engine,couchbase/bucket_engine,membase/bucket_engine,couchbase/bucket_engine,couchbase/bucket_engine,membase/bucket_engine,membase/bucket_engine,couchbase/bucket_engine