lint 1.6.8.0.0.0.0.0.0.2.6.2.ip6.arpa

No real additions, just some tab vs spaces fixing.

Change-Id: I918514bc25a9304a68bbecd9c5f324143841c981
Merge "lint 1.6.8.0.0.0.0.0.0.2.6.2.ip6.arpa"