[Dapper Flight 2] Gnome games are setgid and don't start

Some of the gnome-games binaries are setgid games and do not start because of
this. The error message reported is:

(gnomine:1696): 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+.

The following 10 files are setgid:

-r-xr-sr-x 1 games 90212 2005-12-12 22:22 /usr/games/gnometris
-r-xr-sr-x 1 games 73748 2005-12-12 22:22 /usr/games/gnomine
-r-xr-sr-x 1 games 65140 2005-12-12 22:22 /usr/games/same-gnome
-r-xr-sr-x 1 games 88244 2005-12-12 22:22 /usr/games/mahjongg
-r-xr-sr-x 1 games 52660 2005-12-12 22:22 /usr/games/gtali
-r-xr-sr-x 1 games 39796 2005-12-12 22:22 /usr/games/gnotravex
-r-xr-sr-x 1 games 40884 2005-12-12 22:22 /usr/games/gnotski
-r-xr-sr-x 1 games 70708 2005-12-12 22:22 /usr/games/glines
-r-xr-sr-x 1 games 90068 2005-12-12 22:22 /usr/games/gnobots2
-r-xr-sr-x 1 games 82836 2005-12-12 22:22 /usr/games/gnibbles

and of them the following 5 do not start

-r-xr-sr-x 1 games 90212 2005-12-12 22:22 /usr/games/gnometris
-r-xr-sr-x 1 games 73748 2005-12-12 22:22 /usr/games/gnomine
-r-xr-sr-x 1 games 65140 2005-12-12 22:22 /usr/games/same-gnome
-r-xr-sr-x 1 games 88244 2005-12-12 22:22 /usr/games/mahjongg
-r-xr-sr-x 1 games 70708 2005-12-12 22:22 /usr/games/glines