Implements hook_form_FORM_ID_alter() for language_content_settings_form().
function translation_entity_form_language_content_settings_form_alter(array &$form, array &$form_state) {
module_load_include('inc', 'translation_entity', 'translation_entity.admin');
_translation_entity_form_language_content_settings_form_alter($form, $form_state);
}