gnu/76069: FreeBSD's definition of offsetof isn't good for C++

[Dmitrij Tejblum]

vwe at FreeBSD.org wrote:
> Synopsis: FreeBSD's definition of offsetof isn't good for C++
> 
> State-Changed-From-To: open->feedback
> State-Changed-By: vwe
> State-Changed-When: Tue Mar 4 01:18:50 UTC 2008
> State-Changed-Why: 
> This has been fixed in cvs src/sys/sys/cdefs.h rev. 1.88
> for RELENG_6 and up.
> Do you think we can close this PR? Thanks!

Yes.