fix typo error

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@4025 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Catalog/sql/erp5_mysql/z_related_grand_parent.zsql

@@ -10,5 +10,5 @@ class_file:
 <params>table_0
 table_1</params>
 <dtml-var table_0>.uid = catalog.parent_uid
-<dtml-var table_1>.uid = <dtml-var table_0>.parent_uid
+AND <dtml-var table_1>.uid = <dtml-var table_0>.parent_uid