-Wnon-virtual-dtor

diff --git a/gtk2_ardour/axis_provider.h b/gtk2_ardour/axis_provider.h
index 6aeb77ab097af1f8ce7f370b5c844d158fe97c8b..84041b615daf798fbc1f7597ede1a339059e7f70 100644 (file)
--- a/gtk2_ardour/axis_provider.h
+++ b/gtk2_ardour/axis_provider.h
@@ -30,7 +30,8 @@ class AxisView;
 
 class AxisViewProvider
 {
-  public:
+public:
+       virtual ~AxisViewProvider () {}
        virtual AxisView* axis_view_by_stripable (boost::shared_ptr<ARDOUR::Stripable>) const = 0;
        virtual AxisView* axis_view_by_control (boost::shared_ptr<ARDOUR::AutomationControl>) const = 0;
 };