- ProcessorBox (ARDOUR::Session&, sigc::slot<PluginSelector*> get_plugin_selector,
- RouteRedirectSelection&, MixerStrip* parent, bool owner_is_mixer = false);
+ ProcessorBox (ARDOUR::Session*, boost::function<PluginSelector*()> get_plugin_selector,
+ RouteRedirectSelection&, MixerStrip* parent, bool owner_is_mixer = false);