message: ci: fix validate-commit-messages
diff: @@ -14,7 +14,11 @@ module.exports = (gulp) => () => {
  let someCommitsInvalid = false;
  let commitsByLine = stdout.trim().split(/\n/);
  -
  + for (var i = 0; i < commitsByLine.length; i++) {
  + if (!commitsByLine[i]) {
  + commitsByLine.splice(i, 1);
  + }
  + }
  console.log(`Examining ${commitsByLine.length} commits between HEAD and master`);
  if (commitsByLine.length == 0) {
  