Fix the crash. IInternetBindInfo BINDSTRING_XDR_ORIGIN bug workaround.

src/plugin/PluginWbPassThrough.cpp

 #include "PluginStdAfx.h"
 
 #include "PluginWbPassThrough.h"
 #include "PluginClient.h"
 #include "PluginClientFactory.h"
 #ifdef SUPPORT_FILTER
 #include "PluginFilter.h"
 #endif
 #include "PluginSettings.h"
 #include "PluginClass.h"
@@ skipping 119 matching lines @@
   DEBUG_GENERAL(src);
   CPluginClient::UnescapeUrl(src);
   m_url = szUrl;
 
   CString boundDomain;
   CString mimeType;
   if (pOIBindInfo)
   {
     ULONG resLen = 0;
     LPOLESTR mime = 0;
-    HRESULT hr = pOIBindInfo->GetBindString(BINDSTRING_ACCEPT_MIMES, &mime, 1, &resLen);
+    pOIBindInfo->GetBindString(BINDSTRING_ACCEPT_MIMES, &mime, 1, &resLen);
     if (mime && resLen > 0)
     {
       mimeType.SetString(mime);
     }
     LPOLESTR bindToObject = 0;
-    hr = pOIBindInfo->GetBindString(BINDSTRING_FLAG_BIND_TO_OBJECT, &bindToObject, 1, &resLen);
+    pOIBindInfo->GetBindString(BINDSTRING_FLAG_BIND_TO_OBJECT, &bindToObject, 1, &resLen);
     LPOLESTR domainRetrieved = 0;
     if (resLen == 0 || wcscmp(bindToObject, L"FALSE") == 0)
     {   
-      hr = pOIBindInfo->GetBindString(BINDSTRING_XDR_ORIGIN, &domainRetrieved, 1, &resLen);
+      HRESULT hr = pOIBindInfo->GetBindString(BINDSTRING_XDR_ORIGIN, &domainRetrieved, 1, &resLen);
       if ((hr == S_OK) && domainRetrieved && (resLen > 0))
       {
         boundDomain.SetString(domainRetrieved);
         // Remove protocol
         int pos = boundDomain.Find(L"://");
         if (pos > 0)
         {
           boundDomain = boundDomain.Mid(pos + 3);
         }
         // Remove port
@@ skipping 206 matching lines @@
   CComPtr<IHttpNegotiate> spHttpNegotiate;
   QueryServiceFromClient(&spHttpNegotiate);
 
   return spHttpNegotiate ? spHttpNegotiate->OnResponse(dwResponseCode, szResponseHeaders, szRequestHeaders, pszAdditionalRequestHeaders) : S_OK;
 }
 
 STDMETHODIMP WBPassthruSink::ReportProgress(ULONG ulStatusCode, LPCWSTR szStatusText)
 {
   return m_spInternetProtocolSink ? m_spInternetProtocolSink->ReportProgress(ulStatusCode, szStatusText) : S_OK;
 }