AW: AES-GCM decrypt with OpenSSL 1.1.1 - when to set the tag?

[Lynch, Andrew via openssl-users]

> I've raised a PR to correct the docs here:
> 
> https://github.com/openssl/openssl/pull/17111
> 
> Hopefully that is sufficient to convince your reviewers.

Thanks, Matt.  That should do the trick.

Regards,
Andrew.