@@ -260,7 +260,10 @@ func (cli *DockerCli) monitorTtySize(id string, isExec bool) error {

 	sigchan := make(chan os.Signal, 1)

 	gosignal.Notify(sigchan, signal.SIGWINCH)

 	go func() {

-		for _ = range sigchan {

+		// This tmp := range..., _ = tmp workaround is needed to

+		// suppress gofmt warnings while still preserve go1.3 compatibility

+		for tmp := range sigchan {

+			_ = tmp

 			cli.resizeTty(id, isExec)

 		}

 	}()