Fix compilation breakage at d70b545.

xfa/src/fxbarcode/src/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
 
 #include <stdlib.h>
 #include "barcode.h"
 #include "include/BC_DecoderResult.h"
 #include "include/BC_PDF417ResultMetadata.h"
 #include "include/BC_CommonDecoderResult.h"
 #include "include/BC_PDF417DecodedBitStreamParser.h"
+#include "../../../../third_party/bigint/BigIntegerLibrary.hh"
 #define    TEXT_COMPACTION_MODE_LATCH            900
 #define    BYTE_COMPACTION_MODE_LATCH            901
 #define    NUMERIC_COMPACTION_MODE_LATCH         902
 #define    BYTE_COMPACTION_MODE_LATCH_6          924
 #define    BEGIN_MACRO_PDF417_CONTROL_BLOCK      928
 #define    BEGIN_MACRO_PDF417_OPTIONAL_FIELD     923
 #define    MACRO_PDF417_TERMINATOR               922
 #define    MODE_SHIFT_TO_BYTE_COMPACTION_MODE    913
 
 FX_INT32 CBC_DecodedBitStreamPaser::MAX_NUMERIC_CODEWORDS = 15;
@@ skipping 436 matching lines @@
     for (FX_INT32 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);
 }