Method AddRef

ETLTrimmer/main.cpp:188–191

        return S_OK;
    }
    STDMETHODIMP_(ULONG) AddRef(void)
    {
        return InterlockedIncrement(&ref_count_);
    }
    STDMETHODIMP_(ULONG) Release()
    {
        ULONG ucount = InterlockedDecrement(&ref_count_);