Change '>=' back to '>' in extension.h due to bad fix

fpdfsdk/src/fpdfview.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 "../include/fsdk_define.h"
 #include "../include/fpdfview.h"
 #include "../include/fsdk_rendercontext.h"
 #include "../include/fpdf_progressive.h"
@@ skipping 281 matching lines @@
 
 class CMemFile FX_FINAL: public IFX_FileRead, public CFX_Object
 {
 public:
         CMemFile(FX_BYTE* pBuf, FX_FILESIZE size):m_pBuf(pBuf),m_size(size) {}
 
         virtual void                    Release() {delete this;}
         virtual FX_FILESIZE             GetSize() {return m_size;}
         virtual FX_BOOL                 ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) 
         {
-        if (offset < 0) {
-            return FALSE;
-        }
-        FX_SAFE_FILESIZE newPos = base::checked_cast<FX_FILESIZE, size_t>(size);
-        newPos += offset;
-        if (!newPos.IsValid() || newPos.ValueOrDie() > (FX_DWORD)m_size) return FALSE;
-                FXSYS_memcpy(buffer, m_pBuf+offset, size);
-                return TRUE;
+            if (offset < 0) {
+                return FALSE;
+            }
+            FX_SAFE_FILESIZE newPos = base::checked_cast<FX_FILESIZE, size_t>(size);
+            newPos += offset;
+            if (!newPos.IsValid() || newPos.ValueOrDie() > (FX_DWORD)m_size) {
+                return FALSE;
+            }
+            FXSYS_memcpy(buffer, m_pBuf+offset, size);
+            return TRUE;
         }
 private:
         FX_BYTE* m_pBuf;
         FX_FILESIZE m_size;
 };
 DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadMemDocument(const void* data_buf, int size, FPDF_BYTESTRING password)
 {
         CPDF_Parser* pParser = FX_NEW CPDF_Parser;
         pParser->SetPassword(password);
         try {
@@ skipping 586 matching lines @@
 {
         if (document == NULL)
                 return NULL;
         if (name == NULL || name[0] == 0) 
                 return NULL;
 
         CPDF_Document* pDoc = (CPDF_Document*)document;
         CPDF_NameTree name_tree(pDoc, FX_BSTRC("Dests"));
         return name_tree.LookupNamedDest(pDoc, name);
 }