diff -r 22c441f5adf9 -r 33cb70ff2f5d src/ai/api/ai_airport.cpp
--- a/src/ai/api/ai_airport.cpp	Wed May 07 21:09:51 2008 +0000
+++ b/src/ai/api/ai_airport.cpp	Sun May 11 20:09:34 2008 +0000
@@ -9,6 +9,7 @@
 #include "../../station_map.h"
 #include "../../player_func.h"
 #include "../../settings_type.h"
+#include "../../command_type.h"
 
 /* static */ bool AIAirport::IsHangarTile(TileIndex tile)
 {