prerm: do not stop named on upgrade.
prerm: do not stop named on upgrade.

Taking care to not stop or start it with debhelper doesn't do much if
you turn around and explicitly stop it in prerm yourself...

Addresses-Debian-Bug: 542888
Signed-off-by: LaMont Jones <0ab8dc438f73addc98d9ad5925ec8f2b97991703@debian.org>

tjaalton/bind9,tjaalton/bind9,tjaalton/bind9,tjaalton/bind9,tjaalton/bind9,tjaalton/bind9