This bug has been copied from bug #518483 and has been proposed to be backported to 5.5 z-stream (EUS).
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2010-0913.html
Technical note added. If any revisions are required, please edit the "Technical Notes" field accordingly. All revisions will be proofread by the Engineering Content Services team. New Contents: Previously, the file chooser dialog in GTK+ did not open the default selected file by pressing the Enter key when the location field was visible. With this update, the default selected file opens regardless of the visibility of the location.