* win32/win32.c (open_dir_handle): extracted from rb_w32_opendir.
	* win32/win32.c (winnt_stat): gets rid of strange behavior of
	  GetFileAttributes().  [ruby-core:21269]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@22613 b2dd03c8-39d4-4d8f-98ff-823fe69b080e