Ruby

• test/rake/test_rake_directory_task.rb
  (TestRakeDirectoryTask#test_directory_win32): shouldn't create any
  file/directory on root directory. create on @tempdir (= Dir.pwd).
  see https://github.com/jimweirich/rake/issues/91

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33885 b2dd03c8-39d4-4d8f-98ff-823fe69b080e