Convert Catalogue to a Collection

[r2c2.git] / source / libr2c2 / vehicletype.h

diff --git a/source/libr2c2/vehicletype.h b/source/libr2c2/vehicletype.h
index 789aeb3e59e7a6e8de0bce6c4b681573c19ff092..4a4d725cbab8daadabf7ec95cedf90017fa794a3 100644 (file)
--- a/source/libr2c2/vehicletype.h
+++ b/source/libr2c2/vehicletype.h
@@ -180,7 +180,7 @@ private:
        float max_speed;
 
 public:
-       VehicleType(const ArticleNumber &);
+       VehicleType(const ArticleNumber & = ArticleNumber());
 
        bool is_locomotive() const { return locomotive; }
        unsigned get_max_function() const;