exo: fix a typo where custom preference files to be saved in the wrong location
This update fixes the following issue with exo:
- bnc#860479: fix a typo in use-versioned-helpers-db.patch causing custom preference files to be saved in the wrong location
- Submitted by Guido Berhoerster (gberh)
Fixed bugs
bnc#860479
xfce4-settings-manager Preferred Applications doesn't work with custom applications