2010-01-03  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/42420
	* io/unix.c: Defines for MINGW stat and fstat.
	(gfstat_t): New typedef.
	(id_from_fd): Use gfstat_t instead of struct stat.
	(fd_to_stream): Likewise.
	(compare_file_filename): Likewise.
	(find_file): Likewise.
	(file_exists): Likewise.
	(inquire_sequential): Likewise.
	(inquire_direct): Likewise.
	(inquire_formatted): Likewise.