rename .rhtml to .html.erb of app/views/settings/plugin.rhtml.

:rhtml and :rxml were finally removed as template handlers at Rails 3.1 RC4.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@6621 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/settings/plugin.html.erb

@@ -0,0 +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>