Names in ERP5 have no plural

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@25561 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/PropertySheet/OpenOrder.py

@@ -32,7 +32,7 @@ class OpenOrder:
   """
 
   _properties = (
-    {   'id'          : 'forecasting_term_days',
+    {   'id'          : 'forecasting_term_day_count',
         'description' : 'A number of days to be forecasted.',
         'type'        : 'int',
         'mode'        : 'w' },