Ruby

• golf_prelude.rb, lib/set.rb (TC_Set#test_each),
  test/readline/test_readline_history.rb (Readline#test_each__enumerator),
  test/ruby/test_array.rb (TestArray#test_collect),
  test/ruby/test_enumerator.rb (TestEnumerator#test_initialize):
  Enumerable::Enumerator is now called Enumerator.

• lib/rinda/tuplespace.rb (Rinda::TupleBag#initialize): Use
  enum_for instead of hardcoding Enumerable::Enumerator.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18571 b2dd03c8-39d4-4d8f-98ff-823fe69b080e