Coverty: Silence coverty false error report
Coverty: Silence coverty false error report

Change-Id: Ica109715dec00bb3ca530b984bee701c105a1ec9
Reviewed-on: http://review.couchbase.org/68793
Reviewed-by: Jim Walker <1cd02e31b43620d7c664e038ca42a060d61727b9@couchbase.com>
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>

daverigby/kv_engine,daverigby/kv_engine,couchbase/memcached,daverigby/memcached,daverigby/memcached,daverigby/kv_engine,couchbase/memcached,daverigby/memcached,couchbase/memcached,daverigby/memcached,daverigby/kv_engine,couchbase/memcached