Fix service completions on non-FreeBSD platforms

I never realized script-local variables set after the function
definition do not keep their value when the function is executed later
in the file.

share/completions/service.fish

@@ -1,29 +1,28 @@
-# Fist argument is the names of the service, i.e. a file in /etc/init.d
-complete -c service -n "__fish_is_first_token" -xa "(__fish_print_service_names)" -d "Service name"
+# First argument is the names of the service, i.e. a file in /etc/init.d
+complete -c service -n "__fish_is_first_token" -xa "(__fish_print_service_names)" -d "Service"
 
 set -l service_commands
+function __fish_complete_static_service_actions
+	#The second argument is what action to take with the service
+	complete -c service -n "not __fish_is_first_token" -xa "$argv"
+end
 
 # as found in __fish_print_service_names.fish
 if test -d /run/systemd/system # Systemd systems
 	set service_commands start stop restart status enable disable
-	__fish_complete_static_service_actions
+	__fish_complete_static_service_actions $service_commands
 else if type -f rc-service 2>/dev/null # OpenRC (Gentoo)
 	set service_commands start stop restart
-	__fish_complete_static_service_actions
+	__fish_complete_static_service_actions $service_commands
 else if test -d /etc/init.d # SysV on Debian and other linuxen
 	set service_commands start stop "--full-restart"
-	__fish_complete_static_service_actions
+	__fish_complete_static_service_actions $service_commands
 else # FreeBSD
 	# Use the output of `service -v foo` to retrieve the list of service-specific verbs
 	# We can safely use `sed` here because this is platform-specific
 	complete -c service -n "not __fish_is_first_token" -xa "(__fish_complete_freebsd_service_actions)"
 end
 
-function __fish_complete_static_service_actions
-	#The second argument is what action to take with the service
-	complete -c service -n "not __fish_is_first_token" -xa "$service_commands"
-end
-
 function __fish_complete_freebsd_service_actions
 	# Use the output of `service -v foo` to retrieve the list of service-specific verbs
 	# Output takes the form "[prefix1 prefix2 ..](cmd1 cmd2 cmd3)" where any combination