Add a missing protection specifier

diff --git a/source/libr2c2/trackchain.h b/source/libr2c2/trackchain.h
index 0338bab2d9d0e2dfca079b4039cbcdb9e2f51cb6..729a89cd9c6910882fe641721f86751e93df21e0 100644 (file)
--- a/source/libr2c2/trackchain.h
+++ b/source/libr2c2/trackchain.h
@@ -38,6 +38,7 @@ public:
        sigc::signal<void, Track &> signal_track_added;
        sigc::signal<void, Track &> signal_track_removed;
 
+protected:
        Layout &layout;
        std::string name;
        TrackSet tracks;