rubygems: fix test for OpenSSL 1.1.0
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55460 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
rubygems: fix test for OpenSSL 1.1.0
is not defined when ext/openssl is built with OpenSSL 1.1.0.
https://github.com/rubygems/rubygems/pull/1648
[ruby-core:75225] [Feature #12324]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55460 b2dd03c8-39d4-4d8f-98ff-823fe69b080e