Fix logical_path reference

Author: josh

lib/sprockets/railtie.rb

@@ -40,8 +40,8 @@ def assets
 
 module Sprockets
   class Railtie < ::Rails::Railtie
-    LOOSE_APP_ASSETS = lambda do |filename, path|
-      path.start_with?(::Rails.root.join("app/assets").to_s) &&
+    LOOSE_APP_ASSETS = lambda do |logical_path, filename|
+      filename.start_with?(::Rails.root.join("app/assets").to_s) &&
         !%w(.js .css).include?(File.extname(logical_path))
     end