[PRs 34547/50375] Fixes to NULL with MOLD= check

[Tobias Burnus]

Steve Kargl wrote:
> I was wondering if we need to change the error message
> in the following code to include procedure pointer?
>
> +      gfc_error ("'%s' argument of '%s' intrinsic at %L must be a POINTER or "
> +                "ALLOCATABLE", gfc_current_intrinsic_arg[0]->name,
>                   gfc_current_intrinsic,&mold->where);
>         return FAILURE;
>       }
>
> Should this be "... a POINTER, ALLOCATABLE, or PROCEDURE POINTER..."?

Good suggestion. I have changed it accordingly - except that I wrote 
procedure pointer in minuscules.

Committed as Revs. 178841/178842.

Tobias