- bugfix on expressions in doublequoted string enclosed in backticks

- added security property $static_classes for static class security

libs/sysplugins/smarty_security.php

@@ -44,6 +44,15 @@ class Smarty_Security {
     public $trusted_dir = array();
 
 
+    /**
+    * This is an array of trusted static classes.
+    *
+    * If empty access to all static classes is allowed.
+    * If set to 'none' none is allowed.
+    * @var array 
+    */
+    public $static_classes = array();
+
     /**
     * This is an array of trusted PHP functions.
     *
@@ -85,4 +94,4 @@ class Smarty_Security {
     public $allow_php_tag = false;
 } 
 
-?>
+?>