Fixed static function signature

vtlib/thirdparty/network/PEAR.php

@@ -230,7 +230,7 @@ class PEAR
     * @return mixed   A reference to the variable. If not set it will be
     *                 auto initialised to NULL.
     */
-    function &getStaticProperty($class, $var)
+    static function &getStaticProperty($class, $var)
     {
         static $properties;
         if (!isset($properties[$class])) {
@@ -279,7 +279,7 @@ class PEAR
      * @access  public
      * @return  bool    true if parameter is an error
      */
-    function isError($data, $code = null)
+    static function isError($data, $code = null)
     {
         if (is_a($data, 'PEAR_Error')) {
             if (is_null($code)) {
@@ -524,7 +524,7 @@ class PEAR
      * @see PEAR::setErrorHandling
      * @since PHP 4.0.5
      */
-    function &raiseError($message = null,
+    static function &raiseError($message = null,
                          $code = null,
                          $mode = null,
                          $options = null,