AAAA requests are case sensative causing nxdoamin

[Sam Trenholme]

[medline.com]
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37516

[MEDLINE.COM]
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 32592

Brain,

It's important to use the most recent version of MaraDNS.  Neither
MaraDNS 1.3.07.09 nor MaraDNS 1.3.14 have this problem.  Which version
of MaraDNS are you using?

- Sam