slapos_accounting: use the correct accessor

master/bt5/slapos_accounting/SkinTemplateItem/portal_skins/slapos_accounting/Entity_createDepositPaymentTransaction.py

@@ -108,7 +108,7 @@ payment_transaction = web_site.accounting_module.newContent(
   destination_decision=tmp_sale_order.getDestinationDecision(),
   destination_project=tmp_sale_order.getDestinationProject(),
   payment_mode=payment_mode,
-  ledger_value=ledger_relative_url,
+  ledger=ledger_relative_url,
   resource=tmp_sale_order.getPriceCurrency(),
   created_by_builder=1, # XXX this prevent init script from creating lines.
   activate_kw=activate_kw