wireguard version bump 0.0.20190531
Username: n8v8R
Origin: https://bugs.openwrt.org/index.php?do=details&task_id=2304
current version in repo 0.0.20190123
version bump 0.0.20190531
http://lists.infradead.org/pipermail/openwrt-devel/2019-May/017377.html