Links to completed versions on the roadmap page might lead to a "403 not authorized page" (#19030).

Patch by Felix Schäfer.

git-svn-id: http://svn.redmine.org/redmine/trunk@13988 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/versions/index.html.erb

@@ -81,7 +81,7 @@
                        :id => 'toggle-completed-versions', :class => 'collapsible collapsed' %>
   <ul id = "completed-versions" style = "display:none;">
     <% @completed_versions.each do |version| %>
-      <li><%= link_to(format_version_name(version), version_path(version)) %></li>
+      <li><%= link_to_version version %></li>
     <% end %>  
   </ul>
 </p>