[rox-devel] ROX-Filer Infobox patch: use df instead of du on mount-points

[Guido S. <__g...@we...>]

I've written a patch for a long-standing annoyance in ROX-Filer.
Instead of blindly running du on every directory, now it will run df on  
mount-points and will format the output as:

$used $total ($percentage%)