LIC_FILES_CHKSUM changed do to "Update copyright to include 2018 plus company name change"
includes: CVE-2018-9336
see: https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>