From 317a7d9f677b50db12c5988f38abb10ade0634a5 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Sat, 12 Dec 2009 15:33:19 +0000
Subject: [PATCH] - fix warning when authentication fails and debug_level=4
 (#1486292)

---
 program/include/rcmail.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/program/include/rcmail.php b/program/include/rcmail.php
index f707e3571..a6ac75112 100644
--- a/program/include/rcmail.php
+++ b/program/include/rcmail.php
@@ -1061,6 +1061,9 @@ class rcmail
    */
   public static function setcookie($name, $value, $exp = 0)
   {
+    if (headers_sent())
+      return;
+
     $cookie = session_get_cookie_params();
     setcookie($name, $value, $exp, $cookie['path'], $cookie['domain'],
       rcube_https_check(), true);