* ext/psych/lib/psych/visitors/to_ruby.rb: backwards compatibility for
  hashes emitted by Syck. Github #198
* test/psych/test_hash.rb: test for change.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47069 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-08-06

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47070 b2dd03c8-39d4-4d8f-98ff-823fe69b080e