Fixed installer exiting postinstall action

source/ubinstall-gtk-page-switch.c

@@ -517,7 +517,7 @@ void yon_page_init(main_window *widgets, enum YON_PAGES page){
         case YON_PAGE_COMPLETION:
             const char *endaction = gtk_combo_box_get_active_id(GTK_COMBO_BOX(widgets->ConfigHubRebootCombo));
             if (!yon_char_is_empty(endaction)&&!strcmp(endaction,"close")){
-                on_exit_accepted(widgets);
+                on_yon_exit(NULL,NULL,widgets);
             }
             break;
         case YON_PAGE_RECOVERY_PROCESS:{