Update memcached.c
Update memcached.c

It's returning an error when we try to cachedump the slab 63
memcached/memcached,gencer/memcached,gencer/memcached,dormando/memcached,bpzhang/memcached,guikcd/memcached,memcached/memcached,memcached/memcached,guikcd/memcached,dormando/memcached,gencer/memcached,elfchief/memcached,guikcd/memcached,elfchief/memcached,elfchief/memcached,gencer/memcached,guikcd/memcached,guikcd/memcached,rmccullagh/memcached,gencer/memcached,bpzhang/memcached,dormando/memcached,dormando/memcached,rmccullagh/memcached,rmccullagh/memcached,bpzhang/memcached,elfchief/memcached,memcached/memcached,bpzhang/memcached,rmccullagh/memcached,memcached/memcached,rmccullagh/memcached,dormando/memcached,elfchief/memcached