Remove call to deprecated create_function()

Author: Ben Batschelet

library/Zend/Feed/Element.php

@@ -193,7 +193,7 @@ public function __get($var)
         if ($length == 1) {
             return new Zend_Feed_Element($nodes[0]);
         } elseif ($length > 1) {
-            return array_map(create_function('$e', 'return new Zend_Feed_Element($e);'), $nodes);
+            return array_map(function ($e) { return new Zend_Feed_Element($e); }, $nodes);
         } else {
             // When creating anonymous nodes for __set chaining, don't
             // call appendChild() on them. Instead we pass the current