Memory leak in TOneDReader.decode when hints contains ZXing.DecodeHintType.TRY_HARDER

[JedrzejczykRobert]

file: ZXing.OneD.OneDReader.pas line: 185

current:

  Result := doDecode(image, hints);
  if (Result = nil) then
  begin
    Exit;
  end;

should be:

  Result := doDecode(image, hints);
  if (Result <> nil) then
  begin
    Exit;
  end;