put back the right class name

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@16353 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Core/Folder.py

@@ -91,8 +91,7 @@ def dummyFilter(object,REQUEST=None):
 def dummyTestAfter(object,REQUEST=None):
   return []
 
-#class FolderMixIn(ExtensionClass.Base):
-class BrokenCode(ExtensionClass.Base):
+class FolderMixIn(ExtensionClass.Base):
   """A mixin class for folder operations, add content, delete content etc.
   """