dns.resolveTxt segfault

[maxtaco]

To reproduce, run:

var dns = require('dns');
dns.resolveTxt('www.ralphrooding.com', function(err, res) {})

Node version is v0.12.0

First reported here: keybase/keybase-issues#1413

[iankronquist]

I was sent here by code triage.
This issue appears to have been fixed for node 0.12.8 and above. See commit 261fa36 which references this issue. I recommend that it be closed.