SIMPLEQ_* macros from OpenBSD sys/queue.h

[M. Warner Losh]

In message: <20050713210941.GA841 at gothmog.gr>
            Giorgos Keramidas <keramida at freebsd.org> writes:
: I couldn't agree more.  Helping source-level compatibility, as much as
: this can be accomplished for kernel code, is definitely a plus.  This is
: partly the reason why I noted that OpenBSD synchronized their queue.h
: header with NetBSD a few times in the past.  I just didn't propose
: something like this because I'm not sure I can convince any of the three
: BSD teams to s/SIMPLEQ/STAILQ/ or vice versa :-)

Yea, but adding the #defines to sys/queue.h in both directions likely
wouldn't hurt.

Warner