Fix UnboundLocalError when rendering an EntireQuery as SearchText. Spotted by Kazuhiko, thanks.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@25929 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ZSQLCatalog/Query/EntireQuery.py

@@ -68,7 +68,7 @@ class EntireQuery(object):
     self.from_expression = from_expression
 
   def asSearchTextExpression(self, sql_catalog):
-    return query.asSearchTextExpression(sql_catalog)
+    return self.query.asSearchTextExpression(sql_catalog)
 
   @profiler_decorator
   def asSQLExpression(self, sql_catalog, only_group_columns):