added set credit to zero option

_class/class_page.php

@@ -264,6 +264,10 @@ class page {
                                 # GYEREKLISTA EXPORTÁLÁSA
                                 include('include_export_users.php');
                                 break;
+                             case 'set_credit_to_zero':
+                                # HITELALKALOM NULLÁZÁS
+                                include('include_set_credit_to_zero.php');
+                                break;
                             case 'delete_training_type':
                                 # EDZÉS TÍPUS TÖRLÉS
                                 include('include_delete_training_type.php');