make-snapshot: UNICODE_VERSION
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55946 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
make-snapshot: UNICODE_VERSION
snapshot from the parent make.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55946 b2dd03c8-39d4-4d8f-98ff-823fe69b080e