Added version guards [Bug #12684]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59168 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added version guards [Bug #12684]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59168 b2dd03c8-39d4-4d8f-98ff-823fe69b080e