Adjust clean_finish() func in dehydrated wrapper to use new add-water service.

Author: JedMeister

plugins.d/Lets_Encrypt/dehydrated-wrapper

@@ -142,8 +142,7 @@ clean_finish() {
     if [ "$(check_80)" = "python" ]; then
         warning "Python is still listening on port 80"
         info "attempting to kill add-water server"
-        [ -f "$HTTP_PID" ] && kill -9 $(cat $HTTP_PID)
-        rm -f $HTTP_PID
+        systemctl stop add-water
     fi
     [ "$AUTHBIND_USR" = "$HTTP_USR" ] || chown $AUTHBIND_USR $AUTHBIND80
     if [ $EXIT_CODE -ne 0 ]; then