[PATCH libgpg-error] doc: clarify patch submission workflow

[Daniel Kahn Gillmor]

On Thu 2018-02-01 14:24:07 +0100, Thorsten Behrens wrote:
> Signed-off-by: Thorsten Behrens <Thorsten.Behrens at CIB.de>
> ---
>  doc/HACKING | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 50 insertions(+)

This looks like a reasonable update to me.  Werner, if you agree with
the recommendations there, please merge!

    --dkg