#21 Returning to folder view on theme change

[mattman_iflaf]

When viewing an image in gthumb under gnome 2.14 if you
change the theme, gthumb reacts by returning to the
folder view.

Steps to reproduce :
1 - Run gthumb under gnome 2.14
2 - Browse to /usr/share/pixmaps, or a directory
containing images
3 - Double click on an image to view the image.
4 - Launch gnome-theme-manager and change the theme
from to say Crux
5 - gthumb reacts to the change by returning to the
folder view. it should not.