Fixed displayed VPL version number

locallib.php

@@ -846,7 +846,7 @@ function vpl_create_tabobject($id, $href, $str, $comp = 'mod_vpl') {
  * @return string
  */
 function vpl_get_version() {
-    static $version = '';
+    static $version;
     if (! isset( $version )) {
         $plugin = new stdClass();
         require_once(dirname( __FILE__ ) . '/version.php');