Bug 495075 -- pUnkForRelease incorrectly assigned in nsDataObj::GetFileContents_IStream. r=emaijala, sr=roc

--HG--
extra : rebase_source : cbdf37f2a4e8e0f2b7b0740327ae22905b5a0ccd

widget/src/windows/nsDataObj.cpp

@@ -2001,7 +2001,7 @@ HRESULT nsDataObj::GetFileContents_IStream(FORMATETC& aFE, STGMEDIUM& aSTG)
 
   aSTG.tymed = TYMED_ISTREAM;
   aSTG.pstm = pStream;
-  aSTG.pUnkForRelease = pStream;
+  aSTG.pUnkForRelease = NULL;
 
   return S_OK;
 }