Zero length buffer bug

zerolengthbufferbug.js

var http = require('http');
var Buffer = require('buffer').Buffer;

http.createServer(function (req, res) {
  res.writeHead(200,
    {'Content-Type': 'text/html',
    'Content-Length': 0});
    res.end(new Buffer(0), 'binary');
  }
).listen(3000);