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-rw-r--r--sys/netns/ns_cksum.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/netns/ns_cksum.c b/sys/netns/ns_cksum.c
index 0d407c70d91..d5b283d3d2b 100644
--- a/sys/netns/ns_cksum.c
+++ b/sys/netns/ns_cksum.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ns_cksum.c,v 1.2 1997/02/24 14:38:37 niklas Exp $ */
+/* $OpenBSD: ns_cksum.c,v 1.3 1999/02/23 21:55:29 mickey Exp $ */
/* $NetBSD: ns_cksum.c,v 1.3 1995/03/08 02:14:53 cgd Exp $ */
/*
@@ -38,6 +38,7 @@
#include <sys/param.h>
#include <sys/mbuf.h>
+#include <netns/ns_var.h>
/*
* Checksum routine for Network Systems Protocol Packets (Big-Endian).