bin/84106: inet_pton(AF_INET6, ....) seems too permissive

[Mikhail Teterin]

> Please try it, and let me know the result.

Hajimu! Thank you very much for the prompt reaction.

	http://www.freebsd.org/cgi/query-pr.cgi?pr=84106

I attached the simple program to this bug report. It is harder for me to test 
your fix, as I'll need to rebuild -lc first :-)

Please, consider propagating this into 6.0 quickly, so that the fix is in the 
first release. Thanks!

	-mi