[scripts] Handle a single license field graciously
[newversion] dev-perl/WWW-Mechanize-Cached-1.430.0

Package-Manager: portage-2.2.7
Manifest-Sign-Key: E854324B1366A820
[newversion] dev-perl/App-cpanminus-1.700.100

Package-Manager: portage-2.2.7
Manifest-Sign-Key: E854324B1366A820
[newversion] dev-perl/local-lib-1.8.26

Package-Manager: portage-2.2.7
Manifest-Sign-Key: E854324B1366A820
[newversion] dev-perl/App-perlbrew-0.670.0

Package-Manager: portage-2.2.7
Manifest-Sign-Key: E854324B1366A820