Initialize iterationCount for dummy objects
Initialize iterationCount for dummy objects

The iteration count is used when we're generating the secrets
for the dummy object (auth for non-existing users)...

Change-Id: Id925d308959c626a1c707ac01e4e9de702fd7cd8
Reviewed-on: http://review.couchbase.org/58871
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Dave Rigby <a09264da4832c7ff1d3bf1608a19f4b870f93750@couchbase.com>

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