ipsec: add service control to log page

(cherry picked from commit 45f7996b)

src/www/diag_logs_ipsec.php

@@ -3,4 +3,7 @@
 $logfile = '/var/log/ipsec.log';
 $logclog = true;
 
+require_once 'services.inc';
+$service_hook = 'ipsec';
+
 require_once 'diag_logs_template.inc';