[PATCH] handle -D in ranlib

[nick clifton]

Hi Roland,

> Ok for trunk?

Approved - but - please could you also update binutils/doc/binutils.texi 
to note the new option supported by ranlib.

> binutils/
> 2011-11-28  Roland McGrath<mcgrathr@google.com>
>
> 	* ar.c (ranlib_usage): Describe -D.
> 	(ranlib_main): Parse -D.
> 	(ranlib_touch): Set BFD_DETERMINISTIC_OUTPUT under -D.

Cheers
   Nick