[patch gas]: Make 'as -statistics' print a believable value of "data size"

[Alan Modra]

On Fri, Oct 19, 2012 at 01:23:59PM +0200, Simon Baldwin wrote:
> 	* as.c (dump_statistics): Compute data size as the delta between
> 	current sbrk(0) and start_sbrk.
> 	* (main): Set start_sbrk to sbrk(0) on entry.

OK.

-- 
Alan Modra
Australia Development Lab, IBM