openssl: check RAND_edg to support libressl
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49576 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
openssl: check RAND_edg to support libressl
is available. [Fix GH-829]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49576 b2dd03c8-39d4-4d8f-98ff-823fe69b080e