fix compilation for pull request #30
fix compilation for pull request #30
wgpshashank/zkclient,NBSW/zkclient,patilavinash/zkclient,ijuma/zkclient,sgroschupf/zkclient,fpj/zkclient,fengbaicanhe/zkclient,livvyguo/zkclient,erikdw/zkclient,gityf/zkclient