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

diff --git a/app/helpers/repositories_helper.rb b/app/helpers/repositories_helper.rb
index 0dc450b..80887a9 100644 (file)
--- 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?