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-rw-r--r--sys/netpfil/ipfw/dn_heap.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/netpfil/ipfw/dn_heap.c b/sys/netpfil/ipfw/dn_heap.c
index b533d6d7982d..3e5b69650f8a 100644
--- a/sys/netpfil/ipfw/dn_heap.c
+++ b/sys/netpfil/ipfw/dn_heap.c
@@ -1,4 +1,6 @@
/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
* Copyright (c) 1998-2002,2010 Luigi Rizzo, Universita` di Pisa
* All rights reserved
*