[client_socket] try to fix ruby 1.8 "interning empty string"
[client_socket] try to fix ruby 1.8 "interning empty string"

m4ce/sensu,upfluence/sensu,miyakawataku/sensu,rbramwell/sensu,keymone/sensu,solarkennedy/sensu,cread/sensu,bf4/sensu,somic/sensu,portertech/sensu,quodlibetor/sensu,pauloconnor/sensu,roobert/sensu,withnale/sensu,crewton/sensu,yonglehou/sensu,javrasya/sensu,npe9/sensu,sensu/sensu