follow-up: [Bug #13911]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60166 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
because bin/ruby was renamed as exe/ruby at r59937.
follow-up: [Bug #13911]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60166 b2dd03c8-39d4-4d8f-98ff-823fe69b080e