etcdserver: not add self to transporter based on local ID

If this is decided by local name, it comes to trouble if the name is
duplicate in the cluster.

etcdserver/server.go

@@ -253,7 +253,7 @@ func NewServer(cfg *ServerConfig) (*EtcdServer, error) {
 	tr := rafthttp.NewTransporter(cfg.Transport, id, cfg.Cluster.ID(), srv, srv.errorc, sstats, lstats)
 	// add all the remote members into sendhub
 	for _, m := range cfg.Cluster.Members() {
-		if m.Name != cfg.Name {
+		if m.ID != id {
 			tr.AddPeer(m.ID, m.PeerURLs)
 		}
 	}