- rename to correct bug #

git-svn-id: http://svn.php.net/repository/php/php-src/trunk@320562 c90b9560-bf6c-de11-be94-00142212c4b1

Author: pajoye

ext/date/tests/bug51223.phpt renamed to ext/date/tests/bug52113.phpt

@@ -1,5 +1,9 @@
 --TEST--
 date_default_timezone_set() function [1]
+--SKIPIF--
+<?php
+if (substr(PHP_OS, 0, 3) == 'WIN') die('skip diff TZ detection on windows.');
+?>
 --INI--
 date.timezone=
 --FILE--