[SCSI] libosd: bug in osd_req_decode_sense_full()

The (never tested) osd_sense_attribute_identification case
has never worked. The loop was never advanced on.
Fix it to work as intended.

On 10/30/2009 04:39 PM, Roel Kluin wrote:
  I found this by code analysis, searching for while
  loops that test a local variable, but do not modify
  the variable.

Reported-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>