Ruby

• test/-ext-/test_threadswitch_hook.rb
  (Test_ThreadSwitch#test_threadswitch_init): This test does not
  pass because the hook method actually calls rb_add_event_hook()
  which does not emit a warning.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@37221 b2dd03c8-39d4-4d8f-98ff-823fe69b080e