From 4d8b4558d7ce9831446b0da86f724d69a5175016 Mon Sep 17 00:00:00 2001
From: David Goodwin <david@codepoets.co.uk>
Date: Thu, 13 Aug 2020 16:59:40 +0100
Subject: [PATCH] might fix:
 https://github.com/postfixadmin/postfixadmin/issues/378

---
 functions.inc.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/functions.inc.php b/functions.inc.php
index f6dd78aa..e1400bff 100644
--- a/functions.inc.php
+++ b/functions.inc.php
@@ -1017,6 +1017,9 @@ function _pacrypt_dovecot($pw, $pw_db = '') {
         # only use -t for salted passwords to be backward compatible with dovecot < 2.1
         $dovepasstest = " -t " . escapeshellarg($pw_db);
     }
+
+    $pipes = [];
+
     $pipe = proc_open("$dovecotpw '-s' $method$dovepasstest", $spec, $pipes);
 
     if (!$pipe) {