[illumos-Developer] Code review for illumos #587 (update bzip2 vers 1.0.5 to 1.0.6)

[Gordon Ross]

This is a straight-forward update of:
  usr/src/common/bzip2
from 1.0.5 to 1.0.6.  No other changes.

Please review:  http://cr.illumos.org/view/qnjtmejz/

The CHANGES entry from the upstream is:
1.0.6 (6 Sept 10)
~~~~~~~~~~~~~~~~~

* Security fix for CVE-2010-0405.  This was reported by Mikolaj
  Izdebski.

* Make the documentation build on Ubuntu 10.04