DragonFlyBSD

If you compile a kernel with INET6 not defined, you will get the following
failure:

This appears to be a new problem introduced by rev 1.14 of kern/kern_jail.c.

The following patch (also attached to preserve whitespace) fixes the problem
by wrapping the INET6-specific code with the proper #if check.

--- kern_jail.c 29 Dec 2006 18:02:56 -0000 1.14
+++ kern_jail.c 31 Dec 2006 07:19:52 -0000
@ -567,8 +567,10 @

if (jsin->sin_family == AF_INET)
                                oip = inet_ntoa(jsin->sin_addr);
#if INET6
                        else
                                oip = ip6_sprintf(&jsin6->sin6_addr);
#endif

if ( (jlssize - jlsused) < (sizeof(oip) + 1)) {
                                error = ERANGE;