Log Message:
xfce4-thunar: update to 1.8.8

1.8.8
=====
- Do not register "send to" as last used app (Bug #14118)
- Use https where possible
- Dont restart the folder monitor on each refresh (Bug #13364)
- Fix XML declaratation in uca.xml (Bug #13623)
- Always show the executable checkbox (Bug #15605)
- Replace Trash action with Delete as needed (Bug #15352)
- Translation updates: Armenian, Finnish, Kazakh,
Portuguese (Brazil), Swedish, Thai, Turkish