don't fail if there are no print action defined

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@18023 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/Folder_print.xml

@@ -73,7 +73,8 @@ new_print_action_list = context.Base_fixDialogActions(\n
      context.Base_filterDuplicateActions(\n
      context.portal_actions.listFilteredActionsFor(context)), \'object_print\')\n
 \n
-return context.ERP5Site_redirect(new_print_action_list[0][\'url\'],\n
+if new_print_action_list:\n
+  return context.ERP5Site_redirect(new_print_action_list[0][\'url\'],\n
     keep_items={\'form_id\': form_id,\n
                 \'cancel_url\': cancel_url,\n
                 \'dialog_category\': \'object_print\'}, **kw)\n

product/ERP5/bootstrap/erp5_xhtml_style/bt/revision

-454
\ No newline at end of file
+455
\ No newline at end of file