.pru_attach and kernel warnings

[Garrett Wollman]

In article <200808161356.26891.rfrench at freebsd.org>,
rfrench at freebsd.org writes:

>static int
>mpls_attach(struct socket *so)

The prototype for a protocol attach functions is

	int	(*pru_attach)(struct socket *so, int proto, struct thread *td);

(see sys/protosw.h).  You don't have to use these arguments, but you
do have to declare them properly.

-GAWollman