Run *git annex webapp* in Debian Sid with KDE.

It opens the web browser with this error: **Internal Server Error** *xdg-user-dir ["DESKTOP"] exited 127*.

I've tried to changing the xdg-user-dir config with no success.

> This is fixed in my master branch. Workaround: Install the xdg-user-dirs
> package. [[done]] --[[Joey]]
