Fix fd leak in Dir#fileno setup
Fix fd leak in Dir#fileno setup

ruby/spec,ruby/spec,eregon/rubyspec,kachick/rubyspec,ruby/spec,nobu/rubyspec,wied03/rubyspec,sgarciac/spec,wied03/rubyspec,nobu/rubyspec,wied03/rubyspec,kachick/rubyspec,nobu/rubyspec,kachick/rubyspec,eregon/rubyspec,sgarciac/spec,sgarciac/spec,ruby/rubyspec,ruby/rubyspec,eregon/rubyspec