[patch, fix] Formatted output of IEEE exceptional values

[Tobias Schlüter]

Jerry DeLisle wrote:
> The attached patch fixes the formatting discussed in:
> 
> http://gcc.gnu.org/ml/fortran/2005-07/msg00169.html
> 
> 2005-07-13 Jerry DeLisle  <jvdelisle@verizon.net>
> 
>      * libfortran/write.c: Fix field width checks for printing 'Infinity'
>      or 'Inf'.
> 
> Ok to commit to mainline?

Ok.  Also for 4.0.

Thanks,
- Tobi