Resolver fix

[Ulrich Drepper]

Mark Kettenis <kettenis@wins.uva.nl> writes:

> Here's the patch I promised.  The cast from (struct __sockaddr_in *)
> to (struct sockaddr_in *) in res_nsend should be kosher.  Only the
> members that are present in both structures are referenced in sock_eq.

It's kinda ugly but better than using versioning.  I've applied it.
Thanks,

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