Kill trailing whitespace in erb files

app/views/posts/partials/show/_options.html.erb

@@ -10,16 +10,16 @@
       <li><%= link_to "Add note", "#", :id => "translate", :title => "Shortcut is CTRL+N" %></li>
     <% end %>
     <li><%= link_to "Find similar", "http://danbooru.iqdb.org/db-search.php?url=http://#{Danbooru.config.hostname}#{post.preview_file_url}" %></li>
-    
+
     <% unless post.is_status_locked? %>
       <% if !post.is_deleted? && !post.is_pending? %>
         <li><%= link_to "Flag", new_post_flag_path(:post_id => post.id), :id => "flag" %></li>
       <% end %>
-      
+
       <% if post.is_flagged? || post.is_deleted? %>
         <li><%= link_to "Appeal", new_post_appeal_path(:post_id => post.id), :id => "appeal" %></li>
       <% end %>
-      
+
       <% if CurrentUser.is_janitor? %>
         <% if post.is_flagged? || post.is_pending? %>
           <li><%= link_to "Approve", moderator_post_approval_path(:post_id => post.id), :remote => true, :method => :post, :id => "approve" %></li>
@@ -34,7 +34,7 @@
       <% end %>
     <% end %>
   <% end %>
-  
+
   <% if CurrentUser.is_admin? %>
     <li><%= link_to "Expunge", annihilate_moderator_post_post_path(:post_id => post.id), :remote => true, :method => :post, :id => "annihilate", :confirm => "This will permanently delete this post (meaning the file will be deleted). Are you sure you want to delete this post?" %></li>
   <% end %>