[Midnightbsd-cvs] src: src/etc: rc.subr - Improve shell compatibility.

[laffer1 at midnightbsd.org]

Log Message:
-----------
rc.subr - Improve shell compatibility.
network.subr - conditionalize ipv6 rtadvd

Modified Files:
--------------
    src/etc:
        network.subr (r1.4 -> r1.5)
        (http://cvsweb.midnightbsd.org/src/etc/network.subr?r1=1.4&r2=1.5)
        rc.subr (r1.12 -> r1.13)
        (http://cvsweb.midnightbsd.org/src/etc/rc.subr?r1=1.12&r2=1.13)