Make the getorigtarball recognize tar.xz as original tarball
Make the getorigtarball recognize tar.xz as original tarball

jadonk/debexpo,jadonk/debexpo,jonnylamb/debexpo,jonnylamb/debexpo,jonnylamb/debexpo,jadonk/debexpo,swvist/Debexpo,swvist/Debexpo,swvist/Debexpo