veyron_browser: Fixing build that was broken due to runtime API changes.

Change-Id: I1eca200ccd5ee42079e92624156bb50fd956b58d
diff --git a/go/src/sample/sampled/main.go b/go/src/sample/sampled/main.go
index 6cf7537..5bf74f7 100644
--- a/go/src/sample/sampled/main.go
+++ b/go/src/sample/sampled/main.go
@@ -10,6 +10,7 @@
 	"v.io/core/veyron/lib/signals"
 	"v.io/core/veyron/profiles"
 	_ "v.io/core/veyron/profiles"
+	"v.io/core/veyron2"
 	"v.io/core/veyron2/rt"
 	"v.io/core/veyron2/security"
 )
@@ -56,7 +57,7 @@
 	var listenAndServe = func(name string, server interface{}) func() {
 
 		// Create a new server instance.
-		s, err := r.NewServer()
+		s, err := veyron2.NewServer(ctx)
 		if err != nil {
 			log.Fatal("failure creating server: ", err)
 		}