[MR] http client library improvements

[Ralph Boehme]

Hi Samuel,

I have a small patchset with improvements for the s4 http client library
and noticed that this is originally your code, so I felt like you would
be the natural reviewer. :)

Can you take a look at my merge request?

<https://gitlab.com/samba-team/samba/merge_requests/693>

I noticed that you don't seem to be a member of the samba-team at gitlab
yet. Do you have a gitlab account that I can send an invite to? If not,
would you like to create one?

Cheerio!
-slow

-- 
Ralph Boehme, Samba Team                https://samba.org/
Samba Developer, SerNet GmbH   https://sernet.de/en/samba/
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