merge revision(s) 66401: [Backport #15412]
Move autoload to toplevel So that classes which uses Net::HTTP with https can use OpenSSL namespace for example exception classes like OpenSSL::SSL::SSLError.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@66877 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 66401: [Backport #15412]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@66877 b2dd03c8-39d4-4d8f-98ff-823fe69b080e