Re: [PATCH v2 0/10] MR7329: windowscodecs/tests: Add some query tests with the Unknown reader.

[Esme Povirk (＠madewokherd)]

Esme Povirk (@madewokherd) commented about dlls/windowscodecs/tests/metadata.c:
> -
>    IWICMetadataQueryWriter_Release(query_writer);
> -
> - /* Using decoder frame. */
> - hr = CoCreateInstance(&CLSID_WICPngDecoder, NULL, CLSCTX_INPROC_SERVER,
> -
>        &IID_IWICBitmapDecoder, (void **)&decoder);
> - ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
> -
> - stream = create_stream(pngimage, sizeof(pngimage));
> - hr = IWICBitmapDecoder_Initialize(decoder, stream, WICDecodeMetadataCacheOnLoad);
> - ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
> - IStream_Release(stream);
> -
> - hr = IWICBitmapDecoder_GetFrame(decoder, 0, &decoder_frame);
> - ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
> - hr = IWICBitmapFrameDecode_QueryInterface(decoder_frame, &IID_IWICMetadataBlockReader, (void **)&block_reader);
> - ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);

`block_reader` is never freed.