VikTrwLayerTpwin *vik_trw_layer_tpwin_new ( GtkWindow *parent );
void vik_trw_layer_tpwin_set_empty ( VikTrwLayerTpwin *tpwin );
void vik_trw_layer_tpwin_disable_join ( VikTrwLayerTpwin *tpwin );
-void vik_trw_layer_tpwin_set_tp ( VikTrwLayerTpwin *tpwin, GList *tpl, gchar *track_name );
+void vik_trw_layer_tpwin_set_tp ( VikTrwLayerTpwin *tpwin, GList *tpl, const gchar *track_name );
void vik_trw_layer_tpwin_set_track_name ( VikTrwLayerTpwin *tpwin, const gchar *track_name );
+G_END_DECLS
#endif