try to pass compiling with VC12
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61007 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
try to pass compiling with VC12
be defined in SDK with VC12.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61007 b2dd03c8-39d4-4d8f-98ff-823fe69b080e