call parent ::on_response()

diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc
index 82136ace0f10cf9f906581e76359ec99bf667e3e..57e76ef720f588f963bbbe26c4f41228fe185947 100644 (file)
--- a/gtk2_ardour/engine_dialog.cc
+++ b/gtk2_ardour/engine_dialog.cc
@@ -2756,11 +2756,12 @@ EngineControl::control_app_button_clicked ()
 }
 
 void
-EngineControl::on_response (int)
+EngineControl::on_response (int r)
 {
        /* we do nothing when our response signal is emitted ... that's the
         * responsibility of whoever displayed us.
         */
+       ArdourDialog::on_response (r);
 }
 
 void