1 files changed, 2 insertions, 0 deletions

diff --git a/economy.c b/economy.c
index 76540b0f0..c71e3143a 100644
--- a/economy.c
+++ b/economy.c
@@ -1,3 +1,5 @@
+/* $Id$ */
+
 #include "stdafx.h"
 #include "openttd.h"
 #include "functions.h"