radvd: update to 2.21.

Author: leahneukirchen

srcpkgs/radvd/patches/strlcpy.patch

@@ -1,6 +1,6 @@
 # Template file for 'radvd'
 pkgname=radvd
-version=2.20
+version=2.21
 revision=1
 build_style=gnu-configure
 hostmakedepends="flex pkg-config"
@@ -9,8 +9,8 @@ short_desc="IPv6 Router Advertisement Daemon"
 maintainer="Leah Neukirchen <leah@vuxu.org>"
 license="radvd"
 homepage="http://www.litech.org/radvd/"
-distfiles="http://www.litech.org/radvd/dist/${pkgname}-${version}.tar.xz"
-checksum=25d2960fb977ac35c45a8d85b71db22ed8af325db7dbf4a562fb03eab2848dcd
+distfiles="https://github.com/radvd-project/radvd/releases/download/v${version}/radvd-${version}.tar.xz"
+checksum=91df2ed7faca0716bbd726a17d6467ed92fcb2b6e45b57d9e619f9686ab99e1b
 conf_files="/etc/radvd.conf"
 
 if [ "$XBPS_CHECK_PKGS" ]; then