openssl: work around of dependency
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43451 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
openssl: work around of dependency
thread_native.h, which depends on headers by THREAD_MODEL.
[ruby-dev:47777]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43451 b2dd03c8-39d4-4d8f-98ff-823fe69b080e