Fixed an embarrassing syntax error

git-svn-id: https://svn.thoughtbot.com/plugins/paperclip/trunk@404 7bbfaf0e-4d1d-0410-9690-a8bb5f8ef2aa

lib/paperclip/attachment.rb

@@ -128,8 +128,8 @@ module Paperclip
                          end,
         :id           => lambda{|attachment,style| attachment.instance.id },
         :partition_id => lambda do |attachment, style|
-          ("%09d" % attachment.instance.id).scan(/\d{3}/).join("/")))
-        end
+                           ("%09d" % attachment.instance.id).scan(/\d{3}/).join("/")
+                         end,
         :attachment   => lambda{|attachment,style| attachment.name.to_s.pluralize },
         :style        => lambda{|attachment,style| style || attachment.default_style },
       }