package/ipsec-tools: add license information

The tarball unfortunately does not include a dedicated license file, so
instead use the main source file for the setkey command.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 2dff01f24b07583221cf23e4d6213a14b9a33731)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/ipsec-tools/ipsec-tools.hash

@@ -1,3 +1,6 @@
 # From http://sourceforge.net/projects/ipsec-tools/files/ipsec-tools/0.8.2/
 md5	d53ec14a0a3ece64e09e5e34b3350b41	ipsec-tools-0.8.2.tar.bz2
 sha1	7d92cae9fde59fb4f125636698c43b0a3df3d0f0	ipsec-tools-0.8.2.tar.bz2
+
+# Locally calculated
+sha256	3f4af4aef0b2599928bee9875935b8fad8449ddbb98ea7da74c20c3dff5cdef7  src/setkey/setkey.c

package/ipsec-tools/ipsec-tools.mk

@@ -7,6 +7,8 @@
 IPSEC_TOOLS_VERSION = 0.8.2
 IPSEC_TOOLS_SOURCE = ipsec-tools-$(IPSEC_TOOLS_VERSION).tar.bz2
 IPSEC_TOOLS_SITE = http://sourceforge.net/projects/ipsec-tools/files/ipsec-tools/$(IPSEC_TOOLS_VERSION)
+IPSEC_TOOLS_LICENSE = BSD-3-Clause
+IPSEC_TOOLS_LICENSE_FILES = src/setkey/setkey.c
 IPSEC_TOOLS_INSTALL_STAGING = YES
 IPSEC_TOOLS_MAKE = $(MAKE1)
 IPSEC_TOOLS_DEPENDENCIES = openssl flex host-pkgconf host-flex host-bison