X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fghostregion.h;h=103d7ecf97bacb26aba2e87327f609344385746d;hb=5905b58bc0ad8383ef16631b6505c288c550192a;hp=2ebd33e64e4f433503de90214c127767e910e825;hpb=165a38e74e3829e156c8a18bfae58307c19d6404;p=ardour.git

diff --git a/gtk2_ardour/ghostregion.h b/gtk2_ardour/ghostregion.h
index 2ebd33e64e..103d7ecf97 100644
--- a/gtk2_ardour/ghostregion.h
+++ b/gtk2_ardour/ghostregion.h
@@ -37,7 +37,7 @@ namespace Gnome {
 class MidiStreamView;
 class TimeAxisView;
 
-class GhostRegion
+class GhostRegion : public sigc::trackable
 {
 public:
 	GhostRegion(ArdourCanvas::Group* parent, TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos);