Use head instead of render :nothing => true.

git-svn-id: http://svn.redmine.org/redmine/trunk@15687 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/mail_handler_controller.rb

@@ -27,9 +27,9 @@ class MailHandlerController < ActionController::Base
     options = params.dup
     email = options.delete(:email)
     if MailHandler.receive(email, options)
-      render :nothing => true, :status => :created
+      head :created
     else
-      render :nothing => true, :status => :unprocessable_entity
+      head :unprocessable_entity
     end
   end