Messages on a Board can now be sorted by the number of replies.

  #1761


git-svn-id: http://redmine.rubyforge.org/svn/trunk@1750 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/boards/show.rhtml

@@ -33,7 +33,7 @@
     <th><%= l(:field_subject) %></th>
     <th><%= l(:field_author) %></th>
     <%= sort_header_tag("#{Message.table_name}.created_on", :caption => l(:field_created_on)) %>
-    <th><%= l(:label_reply_plural) %></th>
+    <%= sort_header_tag("#{Message.table_name}.replies_count", :caption => l(:label_reply_plural)) %>
     <%= sort_header_tag("#{Message.table_name}.updated_on", :caption => l(:label_message_last)) %>
   </tr></thead>  
   <tbody>