* gfortran.dg/f2003_io_4.f03, gfortran.dg/f2003_io_5.f03,
	gfortran.dg/f2003_io_7.f03, gfortran.dg/namelist_45.f90,
	gfortran.dg/namelist_46.f90, gfortran.dg/namelist_47.f90,
	gfortran.dg/f2003_io_1.f03: Gate test on effective_target
	fd_truncate.
	* gfortran.dg/fmt_t_7.f: Ditto.  Apply dos2unix.

From-SVN: r135423