finishing the if.h/if_var.h split

[M. Warner Losh]

In message: <20030930010128.GA31222 at Odin.AC.HMC.Edu>
            Brooks Davis <brooks at one-eyed-alien.net> writes:
: Six years and eight months ago, net/if.h was split into if.h and
: if_var.h.  At the time, if_var.h was included at the end if if.h as
: follows (this is the current code, but it's equivalent):
...
: Does this sound reasonable?

I'd go ahead and finish the split.

Warner