Rails 2.3.3.1

Update to latest Rails.
A little bit of jiggery-pokery is involved, since they
neglected to re-include vendored Rack in this release.

vendor/rails/actionpack/lib/action_controller/caching/actions.rb

@@ -61,7 +61,9 @@ module ActionController #:nodoc:
           filter_options = { :only => actions, :if => options.delete(:if), :unless => options.delete(:unless) }
 
           cache_filter = ActionCacheFilter.new(:layout => options.delete(:layout), :cache_path => options.delete(:cache_path), :store_options => options)
-          around_filter(cache_filter, filter_options)
+          around_filter(filter_options) do |controller, action|
+            cache_filter.filter(controller, action)
+          end
         end
       end
 
@@ -83,6 +85,12 @@ module ActionController #:nodoc:
           @options = options
         end
 
+        def filter(controller, action)
+          should_continue = before(controller)
+          action.call if should_continue
+          after(controller)
+        end
+
         def before(controller)
           cache_path = ActionCachePath.new(controller, path_options_for(controller, @options.slice(:cache_path)))
           if cache = controller.read_fragment(cache_path.path, @options[:store_options])