message: fix toIntArray method in PDF417Common
diff: @@ -55,7 +55,7 @@ export default /*public final*/ class PDF417Common {
  }
  public static toIntArray(list: /*Collection<Integer>*/ number[]): Int32Array {
  - if (list == null || !!list.length) {
  + if (list == null || !list.length) {
  return PDF417Common.EMPTY_INT_ARRAY;
  }
  const result = new Int32Array(list.length);
  