Fix off-by-one in sizing of m_EmbeddedToUnicodes.

core/include/fpdfapi/fpdf_resource.h

 // 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
 
 #ifndef _FPDF_RESOURCE_
 #define _FPDF_RESOURCE_
 #ifndef _FPDF_PARSER_
 #include "fpdf_parser.h"
@@ skipping 462 matching lines @@
     CFX_MapPtrToPtr                     m_DeletedMap;
 protected:
     CFX_AffineMatrix            m_FontMatrix;
 };
 #define CIDSET_UNKNOWN          0
 #define CIDSET_GB1                      1
 #define CIDSET_CNS1                     2
 #define CIDSET_JAPAN1           3
 #define CIDSET_KOREA1           4
 #define CIDSET_UNICODE          5
+#define NUMBER_OF_CIDSETS   6
+
 class CPDF_CIDFont : public CPDF_Font
 {
 public:
 
     CPDF_CIDFont();
 
     virtual ~CPDF_CIDFont();
 
     FX_BOOL                                     LoadGB2312();
     virtual int                         GlyphFromCharCode(FX_DWORD charcode, FX_BOOL *pVertGlyph = NULL);
@@ skipping 453 matching lines @@
     FX_BOOL                                     m_bIsMask;
 
     FX_BOOL                                     m_bInterpolate;
 
     CPDF_Document*                      m_pDocument;
 
     CPDF_Dictionary*            m_pOC;
     CPDF_Dictionary*    InitJPEG(FX_LPBYTE pData, FX_DWORD size);
 };
 #endif