dbxout.c overhaul, finally done

[Nick Clifton]

Hi Richard,

> Careful!  The original begin_label was a string, not an rtx.  You also
> need to change:
> 
>       assemble_name (file, begin_label);
> to:
>       assemble_name (file, XSTR (begin_label, 0));


Yeah - I spotted that just after I had pressed the send key.  *sigh*  I 
have corrected the patch that is checked into the sources.

Cheers
  Nick