Add SPDX identifiers

vmod/vmod_blob.vcc

@@ -2,6 +2,8 @@
 # This document is licensed under the same conditions as Varnish itself.
 # See LICENSE for details.
 #
+# SPDX-License-Identifier: BSD-2-Clause
+#
 # Authors: Nils Goroll <nils.goroll@uplex.de>
 #          Geoffrey Simmons <geoffrey.simmons@uplex.de>
 #

vmod/vmod_cookie.vcc

+#-
+# This document is licensed under the same conditions as Varnish itself.
+# See LICENSE for details.
+#
+# SPDX-License-Identifier: BSD-2-Clause
+
 $Module cookie 3 "Varnish Cookie Module"
 
 DESCRIPTION

vmod/vmod_directors.vcc

@@ -2,6 +2,8 @@
 # This document is licensed under the same licence as Varnish
 # itself. See LICENCE for details.
 #
+# SPDX-License-Identifier: BSD-2-Clause
+#
 # Copyright (c) 2013-2015 Varnish Software AS
 # Copyright 2009-2020 UPLEX - Nils Goroll Systemoptimierung
 # All rights reserved.

vmod/vmod_unix.vcc

@@ -2,6 +2,8 @@
 # This document is licensed under the same conditions as Varnish itself.
 # See LICENSE for details.
 #
+# SPDX-License-Identifier: BSD-2-Clause
+#
 # Authors: Geoffrey Simmons <geoffrey.simmons@uplex.de>
 #