backport brianc#1608 to v6

Author: ezekg

lib/connection.js

@@ -328,6 +328,7 @@ Connection.prototype.end = function() {
   this.writer.add(emptyBuffer);
   this._ending = true;
   this._send(0x58);
+  this.stream.end();
 };
 
 Connection.prototype.close = function(msg, more) {