Slight style change on plugin configuration view.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@837 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/settings/plugin.rhtml

@@ -1,8 +1,10 @@
 <h2><%= l(:label_settings) %>: <%=h @plugin.name %></h2>
 
+<div id="settings">
 <% form_tag({:action => 'plugin'}) do %>
 <div class="box tabular">
 <%= render :partial => @partial, :locals => {:settings => @settings}%>
 </div>
 <%= submit_tag l(:button_apply) %>
 <% end %>
+</div>