Issue 1754 - Google shopping links fail to open

src/plugin/PluginWbPassThrough.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 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 280 matching lines @@
   return false;
 }
 
 STDMETHODIMP WBPassthruSink::BeginningTransaction(LPCWSTR szURL, LPCWSTR szHeaders, DWORD dwReserved, LPWSTR* pszAdditionalHeaders)
 {
   if (!szURL)
   {
     return E_POINTER;
   }
   std::wstring src = szURL;
+  UnescapeUrl(src);
   DEBUG_GENERAL(ToCString(src));
 
   std::string acceptHeader = ExtractHttpAcceptHeader(m_spTargetProtocol);
 
   if (pszAdditionalHeaders)
   {
     *pszAdditionalHeaders = nullptr;
   }
 
   CComPtr<IHttpNegotiate> httpNegotiate;
@@ skipping 96 matching lines @@
   }
 
   return OnStart(szUrl, pOIProtSink, pOIBindInfo, grfPI, dwReserved, m_spInternetProtocol);
 }
 
 STDMETHODIMP WBPassthru::Read(/* [in, out] */ void *pv,/* [in] */ ULONG cb,/* [out] */ ULONG *pcbRead)
 {
   WBPassthruSink* pSink = GetSink();
   return pSink->OnRead(pv, cb, pcbRead);
 }