Description:
------------
base64_decode fails (tested on windows and linux) using the following code (comes 
from a phpt for zlib)

Test script:
---------------
<?php
$original = str_repeat("hallo php",4096);
$packed = gzencode($original);
echo strlen($packed)." ".strlen($original). "\n";
if (strcmp($original, gzdecode($packed)) == 0) echo "Strings are equal";
?>


Expected result:
----------------
118 36864
Strings are equal


Actual result:
--------------
118 36864