Preview patch for xfdesktop

[Benedikt Meurer]

Brian J. Tarricone wrote:
>> Can we please apply the attached patch for 4.4? That way we'll have
>> consistent previews in all apps (automatically using thumbnails to avoid
>> loading/scaling the image each time, which makes xfce-mcs-manager hang
>> currently when using backdrops on NFS file systems).
> 
> Looks fine to me.  Feel free to apply it yourself; otherwise attach it
> to a bug and I'll get to it eventually.

Done.

> 	-brian

Benedikt