Small fixups in the main script
Small fixups in the main script

Change-Id: I8c8aae2d3687482caee2c3d659ca1da43bc7d3a3
Reviewed-on: https://gerrit.spotify.net/gerrit/76636
Reviewed-by: Paweł Rozlach <bb6340f668e0a0e9a9592e4f835bf23c6026f908@spotify.com>

spotify/certcheck