Fail if requested config file entry does not exists
Fail if requested config file entry does not exists

Change-Id: If55573354cf2d6b479e6f34544f1b1955407e4be
Reviewed-on: https://gerrit.spotify.net/gerrit/73728
Reviewed-by: Paweł Rozlach <bb6340f668e0a0e9a9592e4f835bf23c6026f908@spotify.com>

spotify/certcheck