[patch] restore(8) nanosecond timestamps

[Jilles Tjoelker]

Hi,

/sbin/restore rounds down timestamps to the microsecond. Now that we
have futimens() and utimensat(), we can set timestamps to the
nanosecond. A patch is at https://reviews.freebsd.org/D2020 .

Please review.

-- 
Jilles Tjoelker