* test/ruby/test_time_tz.rb: Fix test error with tzdata-2014g.
  [ruby-core:65058] [Bug #10245] Reported by Vit Ondruch.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47680 b2dd03c8-39d4-4d8f-98ff-823fe69b080e