Call update_taxes in Invoice.credit

review662003
(transplanted from f8dc29f6bd3118679c55d82448bd5d2b4dc797a0)

invoice.py

@@ -1176,6 +1176,7 @@ class Invoice(Workflow, ModelSQL, ModelView):
                             if not l.reconciliation] +
                         [l for l in new_invoice.lines_to_pay
                             if not l.reconciliation])
+        cls.update_taxes(new_invoices)
         return new_invoices
 
     @classmethod