dnsmasq: Upgrade 2.88 -> 2.89

version 2.89
        Fix bug introduced in 2.88 (commit fe91134b) which can result
        in corruption of the DNS cache internal data structures and
        logging of "cache internal error". This has only been seen
        in one place in the wild, and it took considerable effort
        to even generate a test case to reproduce it, but there's
        no way to be sure it won't strike, and the effect is to break
        the cache badly. Installations with DNSSEC enabled are more
        likely to see the problem, but not running DNSSEC does not
        guarantee that it won't happen. Thanks to Timo van Roermund
        for reporting the bug and for his great efforts in chasing
        it down.

Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

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