new cell content should support **kw

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@2411 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/InventoryLine.py

@@ -192,7 +192,7 @@ Une ligne tarifaire."""
 
     # Cell Related
     security.declareProtected( Permissions.ModifyPortalContent, 'newCellContent' )
-    def newCellContent(self, id):
+    def newCellContent(self, id,**kw):
       """
           This method can be overriden
       """