fix a bug in the forwarding logger
fix a bug in the forwarding logger

songling88/zookeeper,songling88/zookeeper,zk-ruby/zookeeper,rickypai/zookeeper,zk-ruby/zookeeper,rickypai/zookeeper,songling88/zookeeper,rickypai/zookeeper,songling88/zookeeper,zk-ruby/zookeeper,rickypai/zookeeper