From bb219133879273d077eef963334d92adef26d8c2 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 06 May 2015 04:47:08 -0400
Subject: [PATCH] Fix mb_substitute_character() use

---
 program/lib/Roundcube/rcube_charset.php |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/program/lib/Roundcube/rcube_charset.php b/program/lib/Roundcube/rcube_charset.php
index d8750a0..048961a 100644
--- a/program/lib/Roundcube/rcube_charset.php
+++ b/program/lib/Roundcube/rcube_charset.php
@@ -753,7 +753,7 @@
 
         // iconv/mbstring are much faster (especially with long strings)
         if (function_exists('mb_convert_encoding')) {
-            $msch = mb_substitute_character('none');
+            $msch = mb_substitute_character();
             mb_substitute_character('none');
             $res = mb_convert_encoding($input, 'UTF-8', 'UTF-8');
             mb_substitute_character($msch);

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