xdm: add dependency on xtrans, otherwise TCP is not supported for xdmcp
This update fixes the following issue for xdm:
- bnc#780122: add dependency on xtrans, otherwise TCP is not supported for xdmcp
- Submitted by Stefan Brüns (StefanBruens)
Fixed bugs
bnc#780122
xdm only supports local socket connetions for xdmcp, not tcp