io.c: recurse for the argument
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38120 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
io.c: recurse for the argument
array elements. [ruby-core:42444] [Bug #5986]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38120 b2dd03c8-39d4-4d8f-98ff-823fe69b080e