* ext/openssl/lib/openssl/digest.rb: Deprecate OpenSSL::Digest::Digest
  [Fixes GH-446] https://github.com/ruby/ruby/pull/446


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44101 b2dd03c8-39d4-4d8f-98ff-823fe69b080e