git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@28471 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
[ruby-core:30358]). And hide a root window before starting eventloop.
are enabled on MacOS X.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@28471 b2dd03c8-39d4-4d8f-98ff-823fe69b080e