[PATCH] action_view requires the deleted action_view/erb/util.rb file

/home/santiago/Documentos/WyeWorks/Proys/rails/actionpack/lib/action_view/helpers/tag_helper.rb:1:in `require': no such file to load -- action_view/erb/util (LoadError)
    from /home/santiago/Documentos/WyeWorks/Proys/rails/actionpack/lib/action_view/helpers/tag_helper.rb:1
    from /home/santiago/Documentos/WyeWorks/Proys/rails/actionpack/lib/action_view/helpers/sanitize_helper.rb:2:in `require'
    from /home/santiago/Documentos/WyeWorks/Proys/rails/actionpack/lib/action_view/helpers/sanitize_helper.rb:2
    from /home/santiago/Documentos/WyeWorks/Proys/rails/actionpack/lib/action_view/helpers.rb:33
    from /home/santiago/Documentos/WyeWorks/Proys/rails/actionpack/lib/action_view/base.rb:175
    from /home/santiago/Documentos/WyeWorks/Proys/rails/actionpack/lib/action_view.rb:60:in `require'
    from /home/santiago/Documentos/WyeWorks/Proys/rails/actionpack/lib/action_view.rb:60
    from /home/santiago/Documentos/WyeWorks/Proys/rails/actionmailer/lib/action_mailer.rb:28:in `require'
    from /home/santiago/Documentos/WyeWorks/Proys/rails/actionmailer/lib/action_mailer.rb:28
    from ./test/abstract_unit.rb:4:in `require'
    from ./test/abstract_unit.rb:4
    from ./test/old_base/mail_service_test.rb:2:in `require'
    from ./test/old_base/mail_service_test.rb:2
    from /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb:5:in `load'
    from /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb:5
    from /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb:5:in `each'
    from /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb:5
rake aborted!
Command failed with status (1): [/usr/bin/ruby1.8 -w -I"lib:test" "/usr/lib...]