[PATCH] Bug in 1.4.18: undefined variable: aSpamIds

Hi,
we've found bug in squirrelmail/plugins/filters/filters.php causing :
Undefined variable: aSpamIds in 
/usr/share/squirrelmail/plugins/filters/filters.php on line 458

this prevents users from logging in.

Problem is in if (count($aSpamIds))... because this variable isn't initialized 
always.

We've used attached patch, which should fix this.

Regards,
Michal Hlavinka

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diff -up squirrelmail/plugins/filters/filters.php.orig squirrelmail/plugins/filters/filters.php
--- squirrelmail/plugins/filters/filters.php.orig	2009-05-19 08:38:20.756736040 +0200
+++ squirrelmail/plugins/filters/filters.php	2009-05-19 08:38:20.792605106 +0200
@@ -415,7 +415,7 @@ function spam_filters($imap_stream) {
     $messages = parseFetch($read, $search_array);
     
     $bulkquery = (strlen($SpamFilters_BulkQuery) > 0 ? true : false);
-
+    $aSpamIds = array();
     foreach($messages as $id=>$message) {
         if (isset($message['UID'])) {
             $MsgNum = $message['UID'];