aaa_base: fixed xdg-environment.sh zsh compatibility
The xdg-environment.sh script in aaa_base was not able to be used with the zsh shell. This was fixed.
- Submitted by Ruediger Oertel (oertel)
Fixed bugs
bnc#875118
L3-Question: Sourcing /etc/profile.d/xdg-environment.sh triggers zsh warning