Description of problem:
If you go to a site that includes a tarball and try to download it,
the save dialog doesn't include file-roller as an application option
in the dialog.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Go to a site that has tarballs, try to download (application/x-tar)
2. Note the dialog is missing the entry.
Should include file-roller.
See gnome bug for technical description of problem:
This got fixed in FC3