[PATCH, libgfortran] Remove generate_error from mem_alloc_w_at and clean up

[Jerry DeLisle]

Committed to 4.1 :

> 2005-10-07  Jerry DeLisle  <jvdelisle@verizon.net>
> 
>         * io/transfer.c (write_block): Add test for end-of-file condition,
>         removed from mem_alloc_w_at. (next_record_w): Clean up checks for
>         NULL pointer returns from s_alloc_w.
>         * io/unix.c (mem_alloc_w_at): Remove call to generate_error 
> end-of-file.
>         * io/write.c (write_float): Add checks for NULL pointer returns 
> from
>         write_block calls. (write_integer): Same.
>