it was missing

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@41857 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/EmailDocument.py

@@ -165,6 +165,8 @@ class EmailDocument(TextDocument):
       self._v_message = result
     return result
 
+  security.declareProtected(Permissions.AccessContentsInformation,
+                            'isSupportBaseDataConversion')
   def isSupportBaseDataConversion(self):
     """
     """