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-rw-r--r--graph_gui.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/graph_gui.c b/graph_gui.c
index f9849f5d9..7c9e1f4c4 100644
--- a/graph_gui.c
+++ b/graph_gui.c
@@ -1,3 +1,5 @@
+/* $Id$ */
+
#include "stdafx.h"
#include "openttd.h"
#include "table/strings.h"