Fix closing the about dialog for gtk 2.10

git-svn-id: svn://localhost/ardour2/trunk@1070 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/ardour_ui.cc

@@ -1913,11 +1913,18 @@ ARDOUR_UI::show_splash ()
 {
 	if (about == 0) {
 		about = new About();
+		about->signal_response().connect(mem_fun (*this, &ARDOUR_UI::about_signal_response) );
 	}
 	about->present();
 	flush_pending ();
 }
 
+void
+ARDOUR_UI::about_signal_response(int response)
+{
+	hide_splash();
+}
+
 void
 ARDOUR_UI::hide_splash ()
 {

gtk2_ardour/ardour_ui.h

@@ -309,6 +309,8 @@ class ARDOUR_UI : public Gtkmm2ext::UI
 	void control_methods_adjusted ();
 	void mmc_device_id_adjusted ();
 
+	void about_signal_response(int response);
+
   private:
 	Gtk::VBox     top_packer;