Kill trailing whitespace in erb files

app/views/wiki_page_versions/index.html.erb

@@ -4,7 +4,7 @@
 
     <section id="content">
       <h1>Wiki Pages</h1>
-      
+
       <%= form_tag(diff_wiki_page_versions_path, :method => :get) do %>
         <table width="100%" class="striped">
           <thead>
@@ -14,7 +14,7 @@
               <th width="60%">Title</th>
               <th width="10%">IP Address</th>
               <th width="26%">Last edited</th>
-            </tr>       
+            </tr>
           </thead>
           <tbody>
             <% @wiki_page_versions.each do |wiki_page_version| %>
@@ -43,21 +43,21 @@
                   <% end %>
                 </td>
               </tr>
-            <% end %>       
+            <% end %>
           </tbody>
         </table>
-        
+
         <% if params[:search] && params[:search][:wiki_page_id] %>
           <%= submit_tag "Diff" %>
         <% end %>
       <% end %>
-      
+
       <%= numbered_paginator(@wiki_page_versions) %>
     </section>
   </div>
 </div>
 
-<%= render "wiki_pages/secondary_links" %>    
+<%= render "wiki_pages/secondary_links" %>
 
 <% content_for(:page_title) do %>
   Wiki Page Versions - <%= Danbooru.config.app_name %>