Ruby

• enumerator.c (enumerator_allocate, enumerator_ptr): Properly
  detect if the object is initialized and raise error when
  appropriate.
  (enumerator_initialize): Fix a typo in rdoc. [ruby-core:17052]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@16769 b2dd03c8-39d4-4d8f-98ff-823fe69b080e