Fix deprecation warnings when rendering the template error template.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5315 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

 *SVN*
 
+* Fix deprecation warnings when rendering the template error template. [Nicholas Seckar]
+
 * Fix routing to correctly determine when generation fails. Closes #6300. [psross].
 
 * Fix broken assert_generates when extra keys are being checked. [Jamis Buck]

actionpack/lib/action_controller/templates/rescues/template_error.rhtml

 <h1>
   <%=h @exception.original_exception.class.to_s %> in
-  <%=h @request.parameters["controller"].capitalize if @request.parameters["controller"]%>#<%=h @request.parameters["action"] %>
+  <%=h request.parameters["controller"].capitalize if request.parameters["controller"]%>#<%=h request.parameters["action"] %>
 </h1>
 
 <p>