XFA: Fix DOS newlines

xfa/src/fxbarcode/oned/BC_OnedCode39Reader.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 2008 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 273 matching lines @@
           break;
       }
       decoded += decodedChar;
       i++;
     } else {
       decoded += c;
     }
   }
   return decoded;
 }