[issue1646] fix kernel build in non-INET6 case

[Sascha Wildner (via DragonFly issue tracker)]

Sascha Wildner <saw at online.de> added the comment:

OK, I've committed it (along with some more minor fixes which crept up during
LINT build).

2183cbe4203baa9866bde803a95210404d75b6ac

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status: unread -> resolved

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DragonFly issue tracker <bugs at lists.dragonflybsd.org>
<http://bugs.dragonflybsd.org/issue1646>
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