upstream: Move OpenBSD CVS ID marker to top of file to avoid conflicts

when syncing changes to portable.

OpenBSD-Regress-ID: 6b7a9ef354e13e26ed474e98d04ec1d74e56e54e

Author: daztucker

regress/modpipe.c

@@ -1,3 +1,5 @@
+/* $OpenBSD: modpipe.c,v 1.9 2026/03/06 07:06:45 dtucker Exp $ */
+
 /*
  * Copyright (c) 2012 Damien Miller <djm@mindrot.org>
  *
@@ -14,8 +16,6 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $OpenBSD: modpipe.c,v 1.8 2026/03/06 06:57:33 dtucker Exp $ */
-
 #include "includes.h"
 
 #include <sys/types.h>