(svn r11354) -Codechange [FS#1379]: one variable wasn't freed whereas all others were. It's not causing any problems as it happens during the shutdown of OpenTTD. So basically it is only for consistency.
--- a/src/airport.cpp Sun Oct 28 16:00:51 2007 +0000
+++ b/src/airport.cpp Mon Oct 29 22:30:54 2007 +0000
@@ -192,6 +192,7 @@
void UnInitializeAirports()
{
+ delete DummyAirport;
delete CountryAirport;
delete CityAirport;
delete Heliport;