bugfix in mailbox listin

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@473 7612ce4b-ef26-0410-bec9-ea0150e637f0

diff --git a/functions/imap_mailbox.php b/functions/imap_mailbox.php
index 62302f1cbcbb8c936a844787a71022b95054db43..ef129876bd0776b445487ff3f1bf19a0acb199bf 100755 (executable)
--- a/functions/imap_mailbox.php
+++ b/functions/imap_mailbox.php
@@ -214,7 +214,7 @@
                    $k++;
                    $i++;
                    next($list_sorted);
-                } else if ($sorted_lsub_ary[$i] < $list_sorted[$key]) {
+                } else if (isset($sorted_lsub_ary[$i]) && isset($list_sorted[$key]) && $sorted_lsub_ary[$i] < $list_sorted[$key]) {
                    $i++;
                 } else {
                    next($list_sorted);