Fix all the code which has duplicate variable declarations

fpdfsdk/pdfwindow/PWL_Edit.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 "fpdfsdk/pdfwindow/PWL_Edit.h"
 
 #include <vector>
 
@@ skipping 276 matching lines @@
   wrTemp = CPWL_Utils::OverlapWordRange(wrVisible, wrSelAfter);
   CFX_ByteString sEditAfter = CPWL_Utils::GetEditAppStream(
       m_pEdit, ptOffset, &wrTemp, !HasFlag(PES_CHARARRAY),
       m_pEdit->GetPasswordChar());
 
   if (sEditAfter.GetLength() > 0)
     sText << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor()).AsStringC()
           << sEditAfter.AsStringC() << "ET\n";
 
   if (sText.GetLength() > 0) {
-    CFX_FloatRect rcClient = GetClientRect();
+    CFX_FloatRect rect = GetClientRect();
     sAppStream << "q\n/Tx BMC\n";
 
     if (!HasFlag(PES_TEXTOVERFLOW))
-      sAppStream << rcClient.left << " " << rcClient.bottom << " "
-                 << rcClient.right - rcClient.left << " "
-                 << rcClient.top - rcClient.bottom << " re W n\n";
+      sAppStream << rect.left << " " << rect.bottom << " "
+                 << rect.right - rect.left << " " << rect.top - rect.bottom
+                 << " re W n\n";
 
     sAppStream << sText;
 
     sAppStream << "EMC\nQ\n";
   }
 }
 
 void CPWL_Edit::DrawThisAppearance(CFX_RenderDevice* pDevice,
                                    CFX_Matrix* pUser2Device) {
   CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
@@ skipping 630 matching lines @@
 }
 
 void CPWL_Edit::GeneratePageObjects(CPDF_PageObjectHolder* pObjectHolder,
                                     const CFX_FloatPoint& ptOffset) {
   CFX_ArrayTemplate<CPDF_TextObject*> ObjArray;
   IFX_Edit::GeneratePageObjects(
       pObjectHolder, m_pEdit, ptOffset, NULL,
       CPWL_Utils::PWLColorToFXColor(GetTextColor(), GetTransparency()),
       ObjArray);
 }