Slight tweaks

client.go

@@ -252,6 +252,7 @@ func (c *Client) ExchangeBuffer(inbuf []byte, a string, outbuf []byte) (n int, e
 	if n, err = w.readClient(outbuf); err != nil {
 		return n, err
 	}
+	// This rtt value isn't useful atm, need to return it somehow, TODO(mg)
 	w.rtt = time.Since(w.t)
 	return n, nil
 }

ex/q/q.go

@@ -224,7 +224,7 @@ forever:
 				}
 
 				fmt.Printf("%v", r.Reply)
-				fmt.Printf("\n;; Query time: %.3d µs\n", r.Reply.Rtt/1e3)
+				fmt.Printf("\n;; Query time: %.3d µs\n", r.Rtt/1e3)
 				// Server maybe
 			}
 			i++