message: Don't use 'auto' type if not needed.
diff: @@ -155,7 +155,7 @@ int main(int argc, char** argv) {
  }
  // All positional arguments are file names. Exclude program name.
  - for (const auto filename :
  + for (const absl::string_view filename :
  verible::make_range(args.begin() + 1, args.end())) {
  // Copy configuration, so that it can be locally modified per file.
  const LinterConfiguration config(
  