*/
-#include <gtkmm.h>
+#ifndef __gtk_ardour_mono_panner_editor_h__
+#define __gtk_ardour_mono_panner_editor_h__
+
+#include <gtkmm/spinbutton.h>
#include "panner_editor.h"
class MonoPanner;
PBD::ScopedConnectionList _connections;
};
+
+#endif // __gtk_ardour_mono_panner_editor_h__