source code from : http://gitlab.oe5xbl.ampr.org/oe5hpm/dxlAPRS
commit ID        : bc75a2599c51d4500e754be53602add62ead7096
title            : fix build for l2cat
Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at>
fix build for l2cat Signed-off-by: Hannes Schmelzer <oe5hpm@oevsv.at>