le-browser/.../prefs.js: Update to hide first time using firefox message

Signed-off-by: Erik Alexandre Pucci <eap08@c3sl.ufpr.br>

le-browser/pacote/etc/firefox/profile/prefs.js

@@ -11,12 +11,13 @@
 
 /* LE browser specific configuration */
 
-/* Homepage, auto form fill and download retention options */
+/* Homepage and other options */
 user_pref("browser.download.dir", "~/Download");
 user_pref("browser.download.manager.retention", 2);
 user_pref("browser.formfill.enable", false);
 user_pref("browser.startup.homepage", "http://portal.mec.gov.br/");
 user_pref("browser.startup.page", 1);
+user_pref("browser.rights.3.shown", true);
 
 /* Bookmarks configuration */
 user_pref("browser.bookmarks.file", "/etc/firefox/profile/le-bookmarks.html");