Pass IO.read spec on Windows
Pass IO.read spec on Windows

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