Issue 769 - replace auto_ptr by unique_ptr and use proper delete[] operator

src/DefaultWebRequestWinInet.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 291 matching lines @@
 
   res = WinHttpReceiveResponse(hRequest, 0);
   if (!res)
   {
     result.status = WindowsErrorToGeckoError(GetLastError());
     return result;
   }
 
   ParseResponseHeaders(hRequest, &result);
 
-  std::auto_ptr<char> outBuffer;
+  std::unique_ptr<char[]> outBuffer;
   DWORD downloadSize, downloaded;
 
   // Download the actual response
   // Keep checking for data until there is nothing left.
   do
   {
     // Check for available data.
     downloadSize = 0;
     if (!WinHttpQueryDataAvailable(hRequest, &downloadSize))
     {
@@ skipping 14 matching lines @@
       ZeroMemory(outBuffer.get(), downloadSize+1);
 
       if (WinHttpReadData(hRequest, outBuffer.get(), downloadSize, &downloaded))
       {
         result.responseText.append(outBuffer.get(), downloaded);
       }
     }
   } while (downloadSize > 0);
   return result;
 }