[Midnightbsd-cvs] src: in6.c: The SIOCSIFINFO_IN6 ioctl is missing a necessary permissions

[laffer1 at midnightbsd.org]

Log Message:
-----------
The SIOCSIFINFO_IN6 ioctl is missing a necessary permissions check.
Don't let everyone on the planet (with local access) change the properties on the ipv6 interfaces.

Tags:
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RELENG_0_2

Modified Files:
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    src/sys/netinet6:
        in6.c (r1.3 -> r1.3.2.1)
        (http://cvsweb.midnightbsd.org/src/sys/netinet6/in6.c?r1=1.3&r2=1.3.2.1)