Kill trailing whitespace in erb files

app/views/users/_secondary_links.html.erb

@@ -2,11 +2,11 @@
   <menu>
     <li><%= link_to "Listing", users_path %></li>
     <li><%= link_to "Search", search_users_path %></li>
-    
+
     <% if CurrentUser.is_anonymous? %>
       <li><%= link_to "Sign up", new_user_path %></li>
     <% end %>
-    
+
     <% if @user && !@user.new_record? && !CurrentUser.is_anonymous? %>
       <li>|</li>
       <% if @user.id == CurrentUser.id %>
@@ -19,15 +19,15 @@
       <% else %>
         <li><%= link_to "Send message", new_dmail_path(:dmail => {:to_id => @user.id}) %></li>
       <% end %>
-      
+
       <% if !CurrentUser.is_privileged? %>
         <li><%= link_to "Upgrade", upgrade_information_users_path %></li>
       <% end %>
-      
+
       <% if CurrentUser.is_moderator? %>
         <li><%= link_to "Promote", edit_admin_user_path(@user) %></li>
       <% end %>
-      
+
       <li>|</li>
       <li><%= link_to "Sign out", sign_out_session_path %></li>
     <% end %>