gdm face browser: Hiding users

[Toralf Lund <toralf kscanners com>]

Is there a way to control which of the users are represented by an icon
in the gdm face browser? It currently displays icons for _all_ accounts,
but I would like to hide some of them.

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Toralf Lund <toralf kscanners com>  +47 66 85 51 22
Kongsberg Scanners AS               +47 66 85 51 00 (switchboard)
http://www.kscanners.no/~toralf     +47 66 85 51 01 (fax)