Function checkLineEndings

scripts/format-changelog.js:302–307

(changelog)

}

function checkLineEndings(changelog) {
    if (changelog.indexOf("\r\n") != -1) {
        console.error("Changelog contains Windows line endings, please convert to Unix line endings.");
        process.exit(-1);
    }
}

const filePath = process.argv[2];
fs.readFile(filePath, 'utf8', (err, data) => {