rails 3 error_messages_for deprecation replacement

gistfile1.erb

<% if @user.errors.any? %>
<div id="errorExplanation">
  <h2><%= pluralize(@user.errors.count, "error") %> prohibited this record from being saved:</h2>
  <ul>
  <% @user.errors.full_messages.each do |msg| %>
    <li><%= msg %></li>
  <% end %>
  </ul>
</div>
<% end %>