[Midnightbsd-cvs] src: usr.sbin/iostat: sync with freebsd, add extended io stats

[laffer1 at midnightbsd.org]

Log Message:
-----------
sync with freebsd, add extended io stats

Modified Files:
--------------
    src/usr.sbin/iostat:
        iostat.8 (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.sbin/iostat/iostat.8?r1=1.1.1.1&r2=1.2)
        iostat.c (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.sbin/iostat/iostat.c?r1=1.1.1.1&r2=1.2)