Use exact same license formatting in touch as elsewhere

Change-Id: I7e1a41784fc12828a2f530a3e3019b95ade19cdf
Reviewed-on: https://gerrit.libreoffice.org/8328
Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>