Adds formatting to cleanup commands

Author: msutovsky-r7

modules/exploits/linux/persistence/init_systemd_override.rb

@@ -144,7 +144,7 @@ def install_persistence
     systemd_socket_dir = "/run/user/#{systemd_socket_id}"
     cmd_exec("XDG_RUNTIME_DIR=#{systemd_socket_dir} systemctl daemon-reload")
 
-    @clean_up_rc << 'execute -f /bin/systemctl -a "daemon-reload"'
+    @clean_up_rc << "execute -f /bin/systemctl -a \"daemon-reload\"\n"
     @clean_up_rc << "execute -f /bin/systemctl -a \"restart #{datastore['SERVICE']}.service\""
 
     if datastore['ReloadService']