Re-use socket for udp

_examples/qperf/qperf.go

@@ -54,7 +54,6 @@ func main() {
                                 c.Net = "tcp"
                         }
 
-                        /*
                         if !*tcp {
                                 // For UDP give each goroutine a socket.
                                 // With TCP we re-dial every time
@@ -64,7 +63,6 @@ func main() {
                                 }
                                 defer c.Close()
                         }
-                        */
 
                         r := new(dns.Msg)
                         for {