[PATCH] debuginfod: Check result of calling MHD_add_response_header.

[Mark Wielaard]

H Frank,

On Wed, 2021-12-01 at 07:02 -0500, Frank Ch. Eigler wrote:
> Although unlikely the MHD_add_response_header can fail for
> > various reasons.  If it fails something odd is going on.
> > So check we can actually add a response header before using
> > the response.
> 
> ISTM it is okay to send the response object (the body), even if
> something goes wrong with adding optional headers later.

OK, so log error, but proceed sending the response with the data
already added. I'll update my patch to do that instead. I don't really
think this will really fail often (or at all). But if it does, it would
be good to be able to catch it.

Thanks,

Mark