Fix buildbreak on FreeBSD
Fix buildbreak on FreeBSD

Change-Id: Ia55d11b6c83e48d78ddc81afdfa91cf9f883c617
Reviewed-on: http://review.couchbase.org/53069
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>

daverigby/memcached,daverigby/kv_engine,cloudrain21/memcached-1,owendCB/memcached,owendCB/memcached,daverigby/memcached,daverigby/memcached,daverigby/kv_engine,owendCB/memcached,cloudrain21/memcached-1,cloudrain21/memcached-1,cloudrain21/memcached-1,owendCB/memcached,couchbase/memcached,couchbase/memcached,daverigby/kv_engine,couchbase/memcached,daverigby/kv_engine,daverigby/memcached,couchbase/memcached