Fix bug with previous commit. We accidentaly used memcached structure even if memcached support is not enabled case.
Fix bug with previous commit. We accidentaly used memcached structure
even if memcached support is not enabled case.

treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres,treasure-data/prestogres