[Patch, fortran] PR19262 more than thirty-nine continuation lines should issue a std-warn

[Brooks Moses]

Tobias Burnus wrote:
> How about:
> * default and -std=f2003: 255 (free form)
> * -std=f90 and -std=f95: 39 (free form)
> * -std=f2003: 255 (fixed form)
> * -std=f77, -std=f90, -std=f95: 19 (fixed form)
> * default (fixed form): 19 ?

I would suggest 255 for default in fixed form; I don't think it makes 
sense for the -std= options to be allowing things that are not allowed 
by default (except maybe in rare cases which this is not one of).

- Brooks