X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibmarklin%2Ftimetable.h;h=3c76055e712e6d54d82d29bff77b3511da4e0248;hb=a4566a4a23ff676f11a90615e8e468ef50107946;hp=39cff5ee6b2b14a077445521783ac2039630acd9;hpb=a9180bc4bb7ff4c403e206cc2c785ff32544a0d6;p=r2c2.git

diff --git a/source/libmarklin/timetable.h b/source/libmarklin/timetable.h
index 39cff5e..3c76055 100644
--- a/source/libmarklin/timetable.h
+++ b/source/libmarklin/timetable.h
@@ -10,6 +10,7 @@ Distributed under the GPL
 
 #include <string>
 #include <vector>
+#include <sigc++/trackable.h>
 #include <msp/datafile/objectloader.h>
 #include <msp/time/timestamp.h>
 
@@ -18,7 +19,7 @@ namespace Marklin {
 class Block;
 class Train;
 
-class Timetable
+class Timetable: public sigc::trackable
 {
 public:
 	class Loader: public Msp::DataFile::ObjectLoader<Timetable>