ChangeLog: add missing reference
[ruby-core:69441] [Feature #11208]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50759 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ChangeLog: add missing reference
[ruby-core:69441] [Feature #11208]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50759 b2dd03c8-39d4-4d8f-98ff-823fe69b080e