ERP5Workflow: fix typos in ERP5Site_getWorkflowStateItemList.py

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/ERP5Site_getWorkflowStateItemList.py

@@ -39,8 +39,9 @@ for portal_type in portal_type:
     # or workflows using another state variable
     if (state_value_list is not None
         and len(workflow.getStateIdList()) > 1
-        and state_var in (None, workflow.getStateVariable()):
+        and state_var in (None, workflow.getStateVariable())):
       for state in state_value_list:
+        state_id = state.getReference()
         if not state_id in state_set:
           state_set.add(state_id)
           result_list.append((str(translateString(state.title)), state_id))