windowscodecs: Create a IWICMetadataReader for a TIFF frame. Take 2.

[Dmitry Timoshkov]

Vincent Povirk <madewokherd at gmail.com> wrote:

> This looks better, but I still think you should use
> WICPersistOptionNoCacheStream.
> 
> Some of your failure cases in create_metadata_reader will return a
> reference to an IWICMetadataReader, which seems wrong.

Apparently that was a hasty attempt to make the patch appear in  today's
commit round. Sorry about that, I'll resend a fixed version tomorrow.

-- 
Dmitry.