Use property sheet SupplyLine.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@4283 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/SupplyCell.py

@@ -63,6 +63,7 @@ class SupplyCell(Predicate, DeliveryCell, Path):
                       , PropertySheet.Task
                       , PropertySheet.Movement
                       , PropertySheet.Price
+                      , PropertySheet.SupplyLine
                       , PropertySheet.Discount
                       , PropertySheet.Path
                       , PropertySheet.FlowCapacity