Comment 10 for bug 1245179

It's still doesn't work in the same way as my original patch. Please read this: https://bugs.launchpad.net/dcplusplus/+bug/309402/comments/23

It should try connect via both protocols according to the original idea, and I'd say that it's worth of keeping like that (for some reason I've had quite a few issues with IPv6...). Your commit changes that behavior.