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-rw-r--r--sys/netinet/in_mcast.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/netinet/in_mcast.c b/sys/netinet/in_mcast.c
index 78eddfe7d9870..88361fef6fd5b 100644
--- a/sys/netinet/in_mcast.c
+++ b/sys/netinet/in_mcast.c
@@ -1,4 +1,6 @@
/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
* Copyright (c) 2007-2009 Bruce Simpson.
* Copyright (c) 2005 Robert N. M. Watson.
* All rights reserved.