Description:
------------
This script gives different results in PHP4 (PHP 4.3.2) og PHP5 (5.0.0 BETA 1)

Reproduce code:
---------------
<?php

$end =   date ("U", mktime (11, 00, 0, 7, 4, 2003));
$start = date ("U", mktime (8, 35, 0, 1, 11, 2003));

$hanne = $end - $start;

echo round ($hanne/3600, 2);

?>

Expected result:
----------------
PHP4:
4177.42

PHP5:
4177.41

Actual result:
--------------
...