XFA: Fix DOS newlines

xfa/src/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 // Original code is licensed as follows:
 /*
  * Copyright 2009 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 472 matching lines @@
   for (int32_t i = 0; i < count; i++) {
     result = result * nineHundred + BigInteger(codewords[i]);
   }
   CFX_ByteString resultString(bigIntegerToString(result).c_str());
   if (resultString.GetAt(0) != '1') {
     e = BCExceptionFormatInstance;
     return ' ';
   }
   return resultString.Mid(1, resultString.GetLength() - 1);
 }