upstream commit

add RCSIDs to these; they make syncing portable a bit
easier

Upstream-ID: 56cb7021faea599736dd7e7f09c2e714425b1e68
diff --git a/opacket.h b/opacket.h
index c49d0c0..b2c2e7f 100644
--- a/opacket.h
+++ b/opacket.h
@@ -1,3 +1,4 @@
+/* $OpenBSD: opacket.h,v 1.12 2017/10/20 01:56:39 djm Exp $ */
 #ifndef _OPACKET_H
 /* Written by Markus Friedl. Placed in the public domain.  */