fix typo

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@21187 44c647ce-9c0f-0410-b52a-842ac1e357ba

library/Zend/Serializer/Adapter/PythonPickle.php

@@ -1366,7 +1366,7 @@ class Zend_Serializer_Adapter_PythonPickle extends Zend_Serializer_Adapter_Adapt
     {
         $proto = ord($this->_read(1));
         if ($proto < 2 || $proto > 3) {
-            require_once 'Zend/Serializer/Excception.php';
+            require_once 'Zend/Serializer/Exception.php';
             throw new Zend_Serializer_Exception('Invalid protocol version detected');
         }
         $this->_protocol = $proto;