erp5_core: ERP5Site_updateTranslationTable uses accessor to get state title.

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/ERP5Site_updateTranslationTable.xml

@@ -96,13 +96,14 @@ for portal_type in portal_type_list:\n
                                translated_message=translated_message))\n
 \n
           # translate state title as well\n
-          if state.title != \'\' :\n
+          state_title = state.getTitle()\n
+          if state_title not in [None, \'\']:\n
             state_var_title = \'%s_title\' % state_var\n
-            msg_id = getMessageIdWithContext(state.title, \'state\', wf_id)\n
+            msg_id = getMessageIdWithContext(state_title, \'state\', wf_id)\n
             translated_message = context.Localizer.erp5_ui.gettext(msg_id, default=\'\', lang=lang).encode(\'utf-8\')\n
             if translated_message == \'\':\n
-              msg_id = state.title\n
-              translated_message = context.Localizer.erp5_ui.gettext(state.title.decode(\'utf-8\'), lang=lang).encode(\'utf-8\')\n
+              msg_id = state_title\n
+              translated_message = context.Localizer.erp5_ui.gettext(state_title.decode(\'utf-8\'), lang=lang).encode(\'utf-8\')\n
             key = (lang, pt_id, state_var_title, state_ref, msg_id)\n
             if not translated_keys.has_key(key):\n
               translated_keys[key] = None # mark as translated\n