message: Fix let binding in reskindex.js
diff: @@ -69,7 +69,7 @@ function filesHaveChanged(files, prevFiles) {
  return true;
  }
  // Check for name changes
  - for (const i = 0; i < files.length; i++) {
  + for (let i = 0; i < files.length; i++) {
  if (prevFiles[i] !== files[i]) {
  return true;
  }
  