narval #5748031 systemd unit file should set the Type to 'forking' [validation pending]

and define the PIDFile; these are required as long as the narval daemon is doing the daemonizing stuff

priorityimportant
typebug
done in4.2.1
load0.100
load left0.000
closed by#3d8db4e96b3f [debian] fix systemd service unit file (closes #5748031)
patch[debian] fix systemd service unit file (closes #5748031) [applied]