Fixed escaping issue with Rails 3.1.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8990 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/queries_helper.rb

@@ -32,7 +32,7 @@ module QueriesHelper
   def column_content(column, issue)
     value = column.value(issue)
     if value.is_a?(Array)
-      value.collect {|v| column_value(column, issue, v)}.compact.sort.join(', ')
+      value.collect {|v| column_value(column, issue, v)}.compact.sort.join(', ').html_safe
     else
       column_value(column, issue, value)
     end