r362666 breaking buildworld (don't know how to make nvpair.c) & Fix/Patch

[Matthew Macy]

Well -  it was from his review.

On Fri, Jun 26, 2020 at 8:00 PM Enji Cooper <yaneurabeya at gmail.com> wrote:
>
> (Moving hackers to BCC since the issue is current-related)
>
> > On Jun 26, 2020, at 6:56 PM, Neel Chauhan <neel at neelc.org> wrote:
> >
> > Hi,
> >
> > When I attempt to build world in 13-CURRENT, I get this error:
>
> …
>
> > The build broke with mmacy@'s commit r362666 which renamed nvpair.c to bsd_nvpair.c without renaming the Makefile.
>
> ...
>
> Hi Neel,
>         It looks like the issue was recently fixed in r362669 by mmacy.
> Cheers!
> -Enji