Support for subforums (#3831).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10142 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/messages/show.html.erb

@@ -1,5 +1,4 @@
-<%= breadcrumb link_to(l(:label_board_plural), project_boards_path(@project)),
-               link_to(h(@board.name), project_board_path(@project, @board)) %>
+<%= board_breadcrumb(@message) %>
 
 <div class="contextual">
     <%= watcher_tag(@topic, User.current) %>