* sample/cgi-session-pstore.rb: use IO::NULL instead of hard coded device name for portability. * sample/drb/ring_place.rb: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47124 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/open3.rb: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47122 b2dd03c8-39d4-4d8f-98ff-823fe69b080e