[rbldnsd] Disabling ipv6-specific tests

[Jeff Dairiki]

On Mon, Jul 29, 2013 at 01:48:56PM -0700, Jeff Dairiki wrote:
>
> I think only two tests — 'test_refuse_ipv6' and 'test_pass_ipv6' in
> test_acl.py — should require ipv6.

I've just pushed a patch to the 'ipv6' branch of my github repo to
skip these two tests when appropriate:

   https://github.com/dairiki/rbldnsd/commit/5c071b6

(Also pushed is a fix for a typo in my test code which I discovered
while poking around: https://github.com/dairiki/rbldnsd/commit/29b5750 )

Jeff