merge revision(s) 54288: [Backport #11870]
* ChangeLog: [ci skip] correct a mail address. cf. [Bug #11870]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@54321 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 54288: [Backport #11870]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@54321 b2dd03c8-39d4-4d8f-98ff-823fe69b080e