reassing value of bootstrap after trim

includes/functions.php

@@ -635,7 +635,7 @@ function SaveTORAndVPNConfig(){
     <?php
   //echo "lokinet-bootstrap ", $bootstrap;
   $bootstrap = escapeshellarg($bootstrap);
-  trim($bootstrap, '"');
+  $bootstrap=trim($bootstrap, '"');
   echo "sudo /home/pi/loki-network/lokilaunch.sh bootstrap $bootstrap";
   $output = shell_exec("sudo /home/pi/loki-network/lokilaunch.sh bootstrap $bootstrap");
   echo "<pre>$output</pre>";