Use vendoring for backward compatibility
The switch of the Madon library to Go modules breaks builds with
Go version < 1.11 since the import path now contains "v2".
This patch adds vendoring so that it can still build with those
versions.
Let's try to re-enable Travis builds with Go v1.8-1.11...
// Copyright 2016 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.8
package websocket
import "net"
func (c *Conn) writeBufs(bufs ...[]byte) error {
b := net.Buffers(bufs)
_, err := b.WriteTo(c.conn)
return err
}