[PATCH 2/5] repair: fix a valgrind reported error on i686

[Alex Elder]

On Mon, 2011-10-10 at 12:08 +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> Fix a potential prefetch read problem due to the first loop
> execution of pf_batch_read potentially not initialising the fsbno
> variable:
> 
> ==10177== Thread 6:
> ==10177== Conditional jump or move depends on uninitialised value(s)
> ==10177==    at 0x8079CAB: pf_batch_read (prefetch.c:408)
> ==10177==    by 0x6A2996D: clone (clone.S:130)
> ==10177==
> 
> Signed-off-by: Dave Chinner <dchinner at redhat.com>

Looks good.

Reviewed-by: Alex Elder <aelder at sgi.com>