bind9 security update

[Emilio Pozuelo Monfort <pochu@debian.org>]

Hi,

I have prepared a security update for LTS for the recent bind9 CVEs. I have done 
some testing on them, but if someone can give them some additional testing 
that'd be great. The packages can be found at:

  https://people.debian.org/~pochu/lts/bind9/

Thanks!
Emilio