Cluster: handle zero bytes at the end of nodes.conf.
Cluster: handle zero bytes at the end of nodes.conf.

pedigree/redis,xuguruogu/redis,xuguruogu/redis,pedigree/redis,4396/redis,pedigree/redis,4396/redis,4396/redis,pedigree/redis,xuguruogu/redis,xuguruogu/redis,4396/redis