[patch,fortran] Allow namelist with internal file (PR 28224)

[Paul Thomas]

Tobias,
>
> - How to run only the gfortran test suit? I found check-gcc, but no
> check-(g)fortran.
>   
make check-gfortran
> - I get   "XPASS: gfortran.dg/csqrt_2.f (PR24313)."
>   Is it time to remove the "{ xfail *-*-linux-gnu }"?
>   That it passes I also see when looking at the results of Andreas Jaeger,
>   but, well, he also uses an openSUSE system with glibc 3.5.
>   
This is seen on newer distros - something somewhere, I do not recall 
where, has been fixed.

I'll take a look at your patch this afternoon.

Paul