Small bugfixes

[Robert Garrett]

Joerg Sonnenberger wrote:

> Hi all,
> attached are three small fixes.
> The first a bug in pax and should be commited to FBSD, too.
> Further info in OpenBSD's system/3455.
> 
> The second fixes a dependency problem if compiling kernels
> with ppp after "make depend".
> The third permits fstat to compile.
> 
> Without a fix, but is the syscall_not_present from
> sys/posix4/posix4.h used anywhere? Otherwise are there
> any objections to drop it along with fixing p1003_1b.c
> for the no RT case?
> 
> Joerg
Committed

Rob