Ruby » Ruby master

un.rb: support https

• lib/un.rb: add https support. based on the patch by Flavio
  Castelli flavio@castelli.name in [ruby-core:81901].
  [Feature #13714]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59265 b2dd03c8-39d4-4d8f-98ff-823fe69b080e