This patch is already included in the openwrt-19.07 branch,
so our backport can be removed when upgrading to or past
OpenWrt 19.07.4.
Signed-off-by: Fabian Bläse <fabian@blaese.de>
Reviewed-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
[adjust commit title]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>