waf: fix concurrency issue with duplicate targets

[ardour.git] / gtk2_ardour / track_view_list.h

diff --git a/gtk2_ardour/track_view_list.h b/gtk2_ardour/track_view_list.h
old mode 100755 (executable)
new mode 100644 (file)
index d7b5433..24f2646
--- a/gtk2_ardour/track_view_list.h
+++ b/gtk2_ardour/track_view_list.h
@@ -21,6 +21,7 @@
 #define __ardour_gtk_track_view_list_h__
 
 #include <list>
+#include <set>
 
 class TimeAxisView;
 
@@ -34,6 +35,8 @@ public:
 
        virtual TrackViewList add (TrackViewList const &);
        bool contains (TimeAxisView const *) const;
+
+       TrackViewList filter_to_unique_playlists ();
 };
 
 #endif