Take the password salt into account when checking for admin account change

app/controllers/admin_controller.rb

@@ -77,7 +77,7 @@ class AdminController < ApplicationController
   def info
     @db_adapter_name = ActiveRecord::Base.connection.adapter_name
     @checklist = [
-      [:text_default_administrator_account_changed, User.find(:first, :conditions => ["login=? and hashed_password=?", 'admin', User.hash_password('admin')]).nil?],
+      [:text_default_administrator_account_changed, !User.find_by_login("admin").try(:check_password?, "admin"),
       [:text_file_repository_writable, File.writable?(Attachment.storage_path)],
       [:text_plugin_assets_writable, File.writable?(Engines.public_directory)],
       [:text_rmagick_available, Object.const_defined?(:Magick)]