message: fix decodeFallback usage
diff: @@ -21,7 +21,7 @@ export default class StringEncoding {
  // TextDecoder not available
  if (typeof TextDecoder === 'undefined') {
  - return this.decodeFallbaack(encodingName, bytes);
  + return this.decodeFallback(bytes, encodingName);
  }
  return new TextDecoder(encodingName).decode(bytes);
  