Fix another crash at exit.

During ARDOUR_UI::finish(), after destroying various instances:
close_all_dialogs() -> ArdourDialog::on_response() -> GUIIdle()

The event loop recurses and may execute a previously scheduled
Editor::idle_visual_changer()

1 files changed, 1 insertions, 0 deletions

diff --git a/gtk2_ardour/ardour_dialog.h b/gtk2_ardour/ardour_dialog.h
index 9e91d3e97e..76d7ac1d08 100644
--- a/gtk2_ardour/ardour_dialog.h
+++ b/gtk2_ardour/ardour_dialog.h
@@ -51,6 +51,7 @@ public:
 
 protected:
 	void pop_splash ();
+	void close_self ();
 
 private:
 	WM::ProxyTemporary* proxy;