* lib/net/http/requests.rb (Net::HTTP::Options::RESPONSE_HAS_BODY):
  OPTIONS requests may have response bodies. [Feature #8429]
  http://tools.ietf.org/html/rfc7231#section-4.3.7

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47078 b2dd03c8-39d4-4d8f-98ff-823fe69b080e