make-firefox: updated branding

helpers/DATA/firefox/branding/pref/abrowser-branding.js

+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
 pref("startup.homepage_override_url","http://trisquel.info");
 pref("startup.homepage_welcome_url","http://trisquel.info/welcome");
 // The time interval between checks for a new version (in seconds)