fix bug thinko
fix bug thinko

fix bug thinko on the last line
cmars/tools,albertjin/golang-net,golang/net,cmars/tools,raboof/net,cmars/tools,DramaFever/golang.org-x-net,DramaFever/golang.org-x-net,raboof/net,albertjin/golang-net,cesanta/goxnet,gomini/net,cmars/tools,cesanta/goxnet,gomini/net