Flatten sysdeps/unix/bsd/bsd4.4 into sysdeps/unix/bsd

[David Miller]

From: Roland McGrath <roland@hack.frob.com>
Date: Wed,  9 May 2012 12:36:15 -0700 (PDT)

> In reality, you are arguing for this change going in without regard for any
> possibility of it being tested in the only configurations where it might
> have any effect.  For such a low-priority item, I don't think that's
> a defensible position.

I think holding things up for a target that is known to not work and
needs lots of external (although existing) patches is unreasonable.