PR 51646 Use POSIX mode flags in open() argument.

2011-12-22  Janne Blomqvist  <jb@gcc.gnu.org>
	Tobias Burnus  <burnus@net-b.de>

	PR libfortran/51646
	* acinclude.m4 (LIBGFOR_CHECK_UNLINK_OPEN_FILE): Use POSIX mode
	flags, omit mode argument when flags argument does not have
	O_CREAT.
	* io/unix.c (tempfile): Use POSIX mode flags.
	* configure: Regenerate.


Co-Authored-By: Tobias Burnus <burnus@net-b.de>

From-SVN: r182638