add quotes

includes/functions.php

@@ -344,7 +344,7 @@ function DisplayOpenVPNConfig()
 function DisplayLokinetConfig()
 {
     exec('pidof lokinet | wc -l', $lokinetstatus);
-    exec(ip rule show default | grep lokinet | awk {'print $5'}, $rulestate);
+    exec('ip rule show default | grep lokinet | awk {'print $5'}', $rulestate);
 
     if ($lokinetstatus[0] == 0) {
         $status = '<div class="alert alert-danger alert-dismissable">Lokinet daemon is not running