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-rw-r--r--viewport.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/viewport.h b/viewport.h
index 90b0facf1..4dace41c3 100644
--- a/viewport.h
+++ b/viewport.h
@@ -1,3 +1,5 @@
+/* $Id$ */
+
#ifndef VIEWPORT_H
#define VIEWPORT_H