ChangeLog: fix name

* ChangeLog: fix newly added function name.  [ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47194 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-08-16

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47195 b2dd03c8-39d4-4d8f-98ff-823fe69b080e