@@ -215,7 +215,7 @@ bool ValParamRailtype(const RailType rai
* @return The rail types that should be available when date
* introduced rail types are taken into account as well.
*/
RailTypes AddDateIntroducedRailTypes(RailTypes current, Date date)
RailTypes AddDateIntroducedRailTypes(RailTypes current, TimerGameCalendar::Date date)
{
RailTypes rts = current;