push2:small logic fix for destructor, mostly to ensure that the track_mix layout...

[ardour.git] / gtk2_ardour / group_tabs.h

diff --git a/gtk2_ardour/group_tabs.h b/gtk2_ardour/group_tabs.h
index 39ea78deb6cc224a11a77f40be494271d6498f3e..eadc19cc6cf0b4b47b8c0edda6a70b7c816f262e 100644 (file)
--- a/gtk2_ardour/group_tabs.h
+++ b/gtk2_ardour/group_tabs.h
@@ -17,6 +17,9 @@
 
 */
 
+#ifndef __gtk_ardour_group_tabs_h__
+#define __gtk_ardour_group_tabs_h__
+
 #include <gtkmm/menu.h>
 #include "editor_component.h"
 #include "gtkmm2ext/cairo_widget.h"
@@ -150,3 +153,5 @@ private:
        /** colors that have been used for new route group tabs */
        static std::list<Gdk::Color> _used_colors;
 };
+
+#endif // __gtk_ardour_group_tabs_h__