FYI: Opened GHC PRs to add missing include of sys/types.h

[Viktor Dukhovni]

> 
> 
> 
> On Nov 10, 2019, at 2:55 PM, Viktor Dukhovni <ietf-dane at dukhovni.org> wrote:
> 
>> Great, thanks for submitting this upstream. While at it, maybe you'll be
>> interested in upstreaming https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241849 ?
> 
> In fact I'm already looking at it, indeed this is what got me
> energized enough to submit the sys/time.h fixes upstream, but I
> first want to test the proposed fix a bit more.

It does not appear to break anything, and no noticeable performance
difference in my DNS-survey code, so perhaps mostly a safety
improvement.

  https://gitlab.haskell.org/ghc/ghc/merge_requests/2139

-- 
	Viktor.