[patch, fortran] PR31473 - no error on duplicate EXTERNAL or INTRINSIC declarations

[Daniel Franke]

On Saturday 16 June 2007 21:09:16 Daniel Franke wrote:
> 2007-06-16  Daniel Franke  <franke.daniel@gmail.com>
>
>         PR fortran/31473
>         * symbol.c (gfc_copy_attr): Emit errors for duplicate
>         EXTERNAL/INTRINSIC statements.

OK'ed in IRC by Jerry DeLisle.
Committed as r125954.