fix HSlider Option

diff --git a/gtk2_ardour/option_editor.h b/gtk2_ardour/option_editor.h
index 1ee4baa9388db01a769dc15dc2748d53aef0248e..2073da530dabf5aca073b7e62b82d5647ef678a9 100644 (file)
--- a/gtk2_ardour/option_editor.h
+++ b/gtk2_ardour/option_editor.h
@@ -308,6 +308,7 @@ public:
                _label = manage (new Gtk::Label (n + ":"));
                _label->set_alignment (0, 0.5);
                _hscale = manage (new Gtk::HScale(adj));
+               _adj = NULL;
        }
 
        HSliderOption (