Fix all the code which has duplicate variable declarations

xfa/fgas/layout/fgas_rtfbreak.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/layout/fgas_rtfbreak.h"
 
 #include <algorithm>
 
@@ skipping 1077 matching lines @@
   int cur_size = curChars.GetSize();
   nextChars.SetSize(cur_size - iCharPos);
   FXSYS_memcpy(nextChars.GetData(), curChars.GetDataPtr(iCharPos),
                (cur_size - iCharPos) * sizeof(CFX_RTFChar));
   iCount -= iCharPos;
   cur_size = curChars.GetSize();
   curChars.RemoveAt(cur_size - iCount, iCount);
   pNextLine->m_iStart = pCurLine->m_iStart;
   pNextLine->m_iWidth = pCurLine->GetLineEnd() - iEndPos;
   pCurLine->m_iWidth = iEndPos;
-  CFX_RTFChar* tc = curChars.GetDataPtr(iCharPos - 1);
-  tc->m_nBreakType = FX_LBT_UNKNOWN;
+  curChars.GetDataPtr(iCharPos - 1)->m_nBreakType = FX_LBT_UNKNOWN;
   iCount = nextChars.GetSize();
   CFX_RTFChar* pNextChars = nextChars.GetData();
   for (int32_t i = 0; i < iCount; i++) {
     CFX_RTFChar* tc = pNextChars + i;
     if (tc->GetCharType() >= FX_CHARTYPE_ArabicAlef) {
       pCurLine->m_iArabicChars--;
       pNextLine->m_iArabicChars++;
     }
     if (tc->m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_MBCSCode) {
       pCurLine->m_iMBCSChars--;
@@ skipping 403 matching lines @@
         rtBBoxF.height = fHeight;
         rtBBoxF.top = std::max(rtBBoxF.top, 0.0f);
       }
       rtArray.SetAt(i, rtBBoxF);
       continue;
     }
     rtArray.SetAt(i, rect);
   }
   return iLength;
 }