Problem with RELENG_5_3, BIND9 and dynamic updates

[Gregory Neil Shapiro]

> Greg, that is the direction I was thinking on this, yes. The only minor
> nit I'd do differently is to move the { for allow-update up to the same
> line for style consistency reasons.

Ok, done (as well as the '{' for the key statement).

> Feel free to commit this to HEAD if you like, otherwise I'll get to this
> asap.

It is committed.  I set an MFC reminder but I am assuming this will
actually have to wait until 5.3-RELEASE.