correct msg in fatal error

[ardour.git] / gtk2_ardour / level_meter.h

diff --git a/gtk2_ardour/level_meter.h b/gtk2_ardour/level_meter.h
index a355d7d28540fedc065e19afc74bc97b2e25173d..b6aec1dd78ea9204a3d7aa6aff0ce6563caf7e84 100644 (file)
--- a/gtk2_ardour/level_meter.h
+++ b/gtk2_ardour/level_meter.h
@@ -49,7 +49,7 @@ namespace Gtk {
        class Menu;
 }
 
-class LevelMeterBase : public ARDOUR::SessionHandlePtr
+class LevelMeterBase : public ARDOUR::SessionHandlePtr, virtual public sigc::trackable
 {
   public:
        LevelMeterBase (ARDOUR::Session*, PBD::EventLoop::InvalidationRecord* ir,