Make sure the socket is considered drained when re-set, specially if a socket is

closed before its drain event fires.

lib/transport.js

@@ -72,6 +72,7 @@ Transport.prototype.handleRequest = function (req) {
   if (req.method == 'GET') {
     this.socket = req.socket;
     this.open = true;
+    this.drained = true;
 
     var self = this;