fix ff36 broken: assigned to const variable

Closes #1

lib/main.js

@@ -1,5 +1,3 @@
-//FIXME: wait for https://developer.mozilla.org/Add-ons/SDK/High-Level_APIs/windows#Converting_to_DOM_windows to become stable
-
 let nativeWindow = require('./nativewindow');
 let tabs = require('sdk/tabs');
 let urls = require('sdk/url');
@@ -12,7 +10,7 @@ const netUtils = Cu.import("resource://gre/modules/NetUtil.jsm", {}).NetUtil;
 //var _ = require("sdk/l10n").get;
 function _(str) { return str; } //TODO: l10n
 
-const menuId = null;
+let menuId = null;
 
 /** main function - addon startup */
 exports.main = function(options, callbacks) {

lib/nativewindow.js

@@ -1,6 +1,6 @@
 const data = require('sdk/self').data;
-const utils = require('sdk/window/utils');
-const recent = utils.getMostRecentBrowserWindow();
+const { windows, getMostRecentBrowserWindow } = require('sdk/window/utils');
+const recent = getMostRecentBrowserWindow();
 
 //TODO: add menu.update(), doorhanger.hide(), contextmenus.remove()
 
@@ -19,7 +19,7 @@ exports.addMenu = addMenu;
  * menuId: the menuId that was returned by addMenu
  */
 function removeMenu(menuId) {
-	for(win in utils.windows()) {
+	for(win in windows()) {
 		win.NativeWindow.menu.remove(menuId);
 	}
 }

package.json

@@ -5,7 +5,7 @@
   "description": "Makes cookie whitelisting easy, with native Android GUI.",
   "author": "azrdev@qrdn.de",
   "license": "GPL 2.0",
-  "version": "0.9.3",
-	"contributors": ["Alexander Dietrich"],
-	"homepage": "https://github.com/azrdev/firefox-cookie-whitelister"
+  "version": "0.9.4",
+  "contributors": ["Alexander Dietrich"],
+  "homepage": "https://github.com/azrdev/firefox-cookie-whitelister"
 }