gnomegames2-2.13.2 don't work

[Vladimir Timofeev]

Is anyone knows why I can't start any game (gnomegames2-2.13.2 from
marcuscom cvs)?
When I try starting it, it's saying to me:
$ mahjongg

(mahjongg:10294): Gtk-WARNING **: This process is currently running
setuid or setgid.
This is not a supported use of GTK+. You must create a helper
program instead. For further details, see:

    http://www.gtk.org/setuid.html

Refusing to initialize GTK+.

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What can I do to make games runnable?