fixes #1440 if allow notation isn't checked the notation tab is hidden

admin.php

@@ -200,6 +200,7 @@ $template->assign(
     'U_UPDATES' => $link_start.'updates',
     'ADMIN_PAGE_TITLE' => 'Piwigo Administration Page',
     'U_SHOW_TEMPLATE_TAB' => $conf['show_template_in_side_menu'],
+    'SHOW_RATING' => $conf['rate'],
     )
   );