Fixed typo

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@5210 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Document/Folder.py

@@ -733,7 +733,7 @@ be a problem)."""
       Returns the list of allowed templates for this folder
       by calling the preference tool
     """
-    return self.getPortalObject().portal_preferences_getDocumentTemplateList(self)
+    return self.getPortalObject().portal_preferences.getDocumentTemplateList(self)
 
 # Overwrite Zope setTitle()
 Folder.setTitle = Base.setTitle