Fix all the code which has duplicate variable declarations

xfa/fgas/font/fgas_gefont.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 "xfa/fgas/font/fgas_gefont.h"
 
 #include "xfa/fgas/crt/fgas_codepage.h"
 #include "xfa/fgas/font/fgas_fontutils.h"
@@ skipping 478 matching lines @@
         if (ppFont)
           *ppFont = pFont;
         return iGlyphIndex;
       }
     }
   }
   if (m_pFontMgr && bRecursive) {
     CFX_WideString wsFamily;
     GetFamilyName(wsFamily);
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-    IFX_Font* pFont = m_pFontMgr->GetDefFontByUnicode(wUnicode, GetFontStyles(),
-                                                      wsFamily.c_str());
+    pFont = m_pFontMgr->GetDefFontByUnicode(wUnicode, GetFontStyles(),
+                                            wsFamily.c_str());
 #else
-    IFX_Font* pFont = m_pFontMgr->GetFontByUnicode(wUnicode, GetFontStyles(),
-                                                   wsFamily.c_str());
+    pFont = m_pFontMgr->GetFontByUnicode(wUnicode, GetFontStyles(),
+                                         wsFamily.c_str());
     if (!pFont)
       pFont = m_pFontMgr->GetFontByUnicode(wUnicode, GetFontStyles(), NULL);
 #endif
     if (pFont) {
       if (pFont == this) {
         pFont->Release();
         return 0xFFFF;
       }
       m_FontMapper[wUnicode] = pFont;
       int32_t i = m_SubstFonts.GetSize();
@@ skipping 30 matching lines @@
   }
   if (m_pRectArray != NULL) {
     m_pRectArray->RemoveAll();
   }
 }
 IFX_Font* CFX_GEFont::GetSubstFont(int32_t iGlyphIndex) const {
   iGlyphIndex = ((uint32_t)iGlyphIndex) >> 24;
   return iGlyphIndex == 0 ? const_cast<CFX_GEFont*>(this)
                           : m_SubstFonts[iGlyphIndex - 1];
 }