Kill trailing whitespace in erb files

app/views/wiki_pages/index.html.erb

@@ -4,7 +4,7 @@
 
     <section id="content">
       <h1>Wiki</h1>
-      
+
       <table class="striped" width="100%">
         <thead>
           <tr>
@@ -18,7 +18,7 @@
               <td class="tag-category-<%= wiki_page.category_name %>"><%= link_to wiki_page.pretty_title, wiki_page_path(wiki_page, :noredirect => 1) %></td>
               <td><%= wiki_page.updated_at.strftime("%Y-%m-%d %I:%M") %> by <%= h link_to wiki_page.creator.name, user_path(wiki_page.creator) %></td>
             </tr>
-          <% end %>          
+          <% end %>
         </tbody>
       </table>