Non working days is an array of strings (#2161).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10749 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/settings/_issues.html.erb

@@ -13,7 +13,7 @@
 
 <p><%= setting_select :issue_done_ratio, Issue::DONE_RATIO_OPTIONS.collect {|i| [l("setting_issue_done_ratio_#{i}"), i]} %></p>
 
-<p><%= setting_multiselect :non_working_week_days, (1..7).map {|d| [day_name(d), d]}, :inline => true %></p>
+<p><%= setting_multiselect :non_working_week_days, (1..7).map {|d| [day_name(d), d.to_s]}, :inline => true %></p>
 
 <p><%= setting_text_field :issues_export_limit, :size => 6 %></p>