d/copyright: Fix dual-licensed declaration to be BSD-3-clause or Expat (!1) · Merge requests · Debian Go Packaging Team / packages / golang-github-aymanbagabas-go-udiff

This is dual-licensed, so it should be "BSD or Expat" rather than "BSD and
Expat".  Please see the machine-readble copyright spec.

Not sure If I should add a new Debian revision to debian changelog.

d/copyright: Fix dual-licensed declaration to be BSD-3-clause or Expat