Orphaning a package without being able to change maintainer info?

[Tor Slettnes <tor@slett.net>]

I have a dilemma.

I need to orphan a package that's specific to the ARM architecture,
because my Netwinder broke down (We had some severe power spikes about
a month ago, which killed it).  I no longer have an ARM build machine.

The Debian Developer's Reference says to change the maintainer to
"Debian QA Group".  Since I no longer can build the package, I also
cannot upload a version with updated maintainer information.

Have I misunderstood what I need to do?  Or do I have to rebuild the
package in order to change its maintainer information?

Thanks for any responses.

-tor

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