To clarify, this can be reproduced on a default install. Simply switch to one of the other three pack-in icon themes (GNOME, High Contrast Inverse or Tangerine) and you'll see the GNOME variant of image-missing ( http://commons.wikimedia.org/wiki/File:Gnome-image-missing.svg ) instead of a Suspend icon.
To clarify, this can be reproduced on a default install. Simply switch to one of the other three pack-in icon themes (GNOME, High Contrast Inverse or Tangerine) and you'll see the GNOME variant of image-missing ( http:// commons. wikimedia. org/wiki/ File:Gnome- image-missing. svg ) instead of a Suspend icon.