GdiTextRenderer::QueryInterface does not increment the reference count on the returned object

[zopsicle]

If I understand correctly, QueryInterface is supposed to do this. But GdiTextRenderer::QueryInterface does not. Is this a bug?

Windows-classic-samples/Samples/Win7Samples/multimedia/DirectWrite/GdiInterop/GdiTextRenderer.cpp

Lines 261 to 285 in 2b94df5

	STDMETHODIMP GdiTextRenderer::QueryInterface(
	IID const& riid,
	void** ppvObject
	)
	{
	if (__uuidof(IDWriteTextRenderer) == riid)
	{
	*ppvObject = this;
	}
	else if (__uuidof(IDWritePixelSnapping) == riid)
	{
	*ppvObject = this;
	}
	else if (__uuidof(IUnknown) == riid)
	{
	*ppvObject = this;
	}
	else
	{
	*ppvObject = NULL;
	return E_FAIL;
	}
	return S_OK;
	}