dhparam: For .sh files, there needs to be execute permission
If you want to run generate_dh.sh, it fails with permission denied.
root@turris:~# /usr/share/dhparam/generate_dh.sh
-ash: /usr/share/dhparam/generate_dh.sh: Permission denied
This fixes turris/turris-os-packages#682
Edited by Vojtech Myslivec