package/radvd: bump to version 2.18

Add hash for license file

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/radvd/radvd.hash

@@ -1,2 +1,3 @@
-# From http://www.litech.org/radvd/dist/radvd-2.12.tar.gz.sha256
-sha256	b070e77238e789e298a82cba2b1bfb0b0180b4ebc1adfc4e75058adfdbff747b	radvd-2.12.tar.xz
+# From http://www.litech.org/radvd/dist/radvd-2.18.tar.gz.sha256
+sha256	4f573e36b96ba92d03b5abbbd5f059b9c8994967812c77852f44049ac5a448fd	radvd-2.18.tar.gz
+sha256	40a6db00cf0b97f031eaa6c6e87157788f40ced1b88e3ea6d78779bd2a39dc80	COPYRIGHT

package/radvd/radvd.mk

@@ -4,8 +4,7 @@
 #
 ################################################################################
 
-RADVD_VERSION = 2.12
-RADVD_SOURCE = radvd-$(RADVD_VERSION).tar.xz
+RADVD_VERSION = 2.18
 RADVD_SITE = http://www.litech.org/radvd/dist
 RADVD_DEPENDENCIES = host-bison flex host-flex host-pkgconf
 # We need to ignore <linux/if_arp.h>, because radvd already includes