Added more logging.

Change-Id: Id9634395d9d7ae14e1a776a0471593d9c3fdada7
diff --git a/go/src/vanadium/discovery/discovery.go b/go/src/vanadium/discovery/discovery.go
index 599f02b..0f8641c 100644
--- a/go/src/vanadium/discovery/discovery.go
+++ b/go/src/vanadium/discovery/discovery.go
@@ -7,7 +7,6 @@
 	"v.io/v23"
 	"v.io/v23/context"
 	"v.io/v23/discovery"
-	"v.io/v23/security/access"
 	"v.io/v23/verror"
 	idiscovery "v.io/x/ref/lib/discovery"
 	"v.io/x/ref/lib/discovery/plugins/ble"
@@ -58,7 +57,7 @@
 
 	ctx, c := context.WithCancel(d.ctx)
 
-	err := d.s.Advertise(ctx, vService, access.Permissions{})
+	err := d.s.Advertise(ctx, vService, nil)
 	if err != nil {
 		return 0, convertToErrorStruct(err), nil
 	}
@@ -108,6 +107,7 @@
 	d.trigger.Add(c, ch)
 	go func() {
 		for v := range scanCh {
+			log.Println("got value from chan", v)
 			switch value := v.Interface().(type) {
 			case discovery.UpdateFound:
 				proxy.Found(vServiceTomService(value.Value.Service))
@@ -149,7 +149,7 @@
 
 func (d *discoveryDelegate) Initialize(c application.Context) {
 	ctx, shutdown := v23.Init()
-	host := c.Args()[0]
+	host := c.Args()[1]
 	log.Println("Starting discovery with name", host)
 	mplugin, err := mdns.New(host)
 	if err != nil {