propagate parameters to getCurrentBalance, this is usefull for at_date or to_date

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27974 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/BudgetCell.py

@@ -94,11 +94,11 @@ class BudgetCell(Predicate, MetaNode):
       return self.portal_simulation.getCurrentInventory(**kw)
 
     security.declareProtected(Permissions.AccessContentsInformation, 'getCurrentBalance')
-    def getCurrentBalance(self):
+    def getCurrentBalance(self, **kw):
       """
       Returns current balance
       """
-      return self.getQuantity(0.0) + self.getCurrentInventory()
+      return self.getQuantity(0.0) + self.getCurrentInventory(**kw)
 
     security.declareProtected(Permissions.AccessContentsInformation, 'getConsumedBudget')
     def getConsumedBudget(self, src__=0):