Fix: websocket.Server disconnect event

Wasn't firing if client was closing the connection

Author: Jonas Pfenniger

lib/http/websocket.js

@@ -88,7 +88,7 @@ Server.prototype.connect = function(request, response) {
     conn.addListener("message", function(msg) {
         self.emit("message", msg, conn);
     });
-    conn.addListener("disconnect", function() {
+    conn.addListener("close", function() {
         self.disconnect(conn);
     });
     this.connections.push(conn);