Fix errors.

Change-Id: I2a4bab2bcdc9077f2b9210fbfaa964f7353bab93
diff --git a/go/src/vanadium/discovery/discovery.go b/go/src/vanadium/discovery/discovery.go
index f15ce4d..c3152e9 100644
--- a/go/src/vanadium/discovery/discovery.go
+++ b/go/src/vanadium/discovery/discovery.go
@@ -93,8 +93,8 @@
 
 func (d *discoveryDelegate) AcceptConnection(connection *application.Connection) {
 	advFactory := &advertiseFactory{d: d}
-	scanFactory := scannerFactory{d: d}
-	connection.ProvideServices(&mojom.Advertiser_ServiceFactory{advFactory}, &mojom.ScanHandler_ServiceFactory{scanFactory})
+	scanFactory := &scannerFactory{d: d}
+	connection.ProvideServices(&mojom.Advertiser_ServiceFactory{advFactory}, &mojom.Scanner_ServiceFactory{scanFactory})
 }
 
 func (d *discoveryDelegate) Quit() {