--- a/ttd.h	Sun Jan 02 12:03:43 2005 +0000
+++ b/ttd.h	Sun Jan 02 17:23:04 2005 +0000
@@ -439,6 +439,7 @@
 	WC_CLIENT_LIST = 0x49,
 	WC_NETWORK_STATUS_WINDOW = 0x4A,
 	WC_CUSTOM_CURRENCY = 0x4B,
+	WC_REPLACE_VEHICLE = 0x4C,
 };