edit workflow default action is edit, not 'edit'

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@7500 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/bootstrap/erp5_core/WorkflowTemplateItem/portal_workflow/edit_workflow/variables/action.xml

@@ -26,7 +26,7 @@
         </item>
         <item>
             <key> <string>default_value</string> </key>
-            <value> <string>\'edit\'</string> </value>
+            <value> <string>edit</string> </value>
         </item>
         <item>
             <key> <string>description</string> </key>