Fixed issue 142.
Fixed issue 142.

fengshao0907/xmemcached,killme2008/xmemcached,killme2008/xmemcached,springning/xmemcached,XHidamariSketchX/xmemcached,bmahe/xmemcached,bmahe/xmemcached,fengshao0907/xmemcached,XHidamariSketchX/xmemcached,springning/xmemcached,mbrukman/xmemcached,mbrukman/xmemcached