* win32/win32.c (rb_w32_select): select for socket didn't work.

  this caused deadlock in drb test. this happened because GetFileType
  for socket handle returns FILE_TYPE_PIPE. Of course, it's not a
  pipe. So socket handle didn't reach winsock's select function.

* win32/win32.c (rb_w32_select): read for pipe still kept brocking
  even if writer handle was closed.

    r,w = IO.pipe

    Thread.new {
      sleep 3; puts "------- 1"
      w.puts("foo")
      sleep 3; puts "------- 2"
      w.puts("boo")
      sleep 3; puts "------- 3"
      w.close
    }

    until r.eof? # should break by w.close but didn't.
      puts r.gets
    end

* win32/win32.c (rb_w32_select): temprary reverted console support
  but it'll be back soon.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9192 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

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