Add missing RCS marker

diff --git a/lib/libcrypto/ecdh/ecdh_kdf.c b/lib/libcrypto/ecdh/ecdh_kdf.c
index bcd718c..f934074 100644 (file)
--- a/lib/libcrypto/ecdh/ecdh_kdf.c
+++ b/lib/libcrypto/ecdh/ecdh_kdf.c
@@ -1,3 +1,4 @@
+/*     $OpenBSD: ecdh_kdf.c,v 1.9 2023/06/25 19:43:28 tb Exp $ */
 /*
  * Written by Stephen Henson for the OpenSSL project.
  */