From 88dc1412d70edbcfe2c0e917b4cdf5891ac80f09 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Sun, 20 Mar 2011 11:33:03 +0000
Subject: [PATCH] Fixes error in RepositoriesHelper#replace_invalid_utf8 when
 given nil.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5170 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/helpers/repositories_helper.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app/helpers/repositories_helper.rb b/app/helpers/repositories_helper.rb
index 0dc450b36..80887a937 100644
--- a/app/helpers/repositories_helper.rb
+++ b/app/helpers/repositories_helper.rb
@@ -148,6 +148,7 @@ module RepositoriesHelper
   private :to_utf8_internal
 
   def replace_invalid_utf8(str)
+    return str if str.nil?
     if str.respond_to?(:force_encoding)
       str.force_encoding('UTF-8')
       if ! str.valid_encoding?