[PATCH] PR fortran/50404 -- CLOSE requires unit number

[Steve Kargl]

I've had this patch in my i386-*-freebsd and x86_64-*-freebsd
for more than a week.  Several 'gmake check-gfortran' have 
been run during that time without a regression.

OK for trunk?

2011-10-30  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/50404
	* io.c (gfc_resolve_close): A CLOSE statement requires a unit number.

2011-10-30  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/50404
	* gfortran.dg/no_unit_error_2.f90: New test.

-- 
Steve
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