From ce57ca8c5e8d50bffe783c01e1804f85459f152e Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Fri, 14 Feb 2014 12:25:26 -0500
Subject: [PATCH] Fix issue in displaying filter form when managesieve_kolab_master=true and sieve variables extension is supported by the server (#1489599)

---
 plugins/managesieve/lib/Roundcube/rcube_sieve_script.php |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/plugins/managesieve/lib/Roundcube/rcube_sieve_script.php b/plugins/managesieve/lib/Roundcube/rcube_sieve_script.php
index 6fbc3f8..c6ad78a 100644
--- a/plugins/managesieve/lib/Roundcube/rcube_sieve_script.php
+++ b/plugins/managesieve/lib/Roundcube/rcube_sieve_script.php
@@ -585,6 +585,7 @@
                     if ($rule[0]['type'] == 'set') {
                         unset($rule[0]['type']);
                         $this->vars[] = $rule[0];
+                        unset($rule);
                     }
                     else {
                         $rule = array('actions' => $rule);

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