Merge pull request #3203 from ipfs/fix/dht-newstream-proto

dht: add missing protocol ID to newStream call

routing/dht/dht_net.go

@@ -141,7 +141,7 @@ func (ms *messageSender) prep() error {
 		return nil
 	}
 
-	nstr, err := ms.dht.host.NewStream(ms.dht.ctx, ms.p, ProtocolDHT)
+	nstr, err := ms.dht.host.NewStream(ms.dht.ctx, ms.p, ProtocolDHT, ProtocolDHTOld)
 	if err != nil {
 		return err
 	}