Linux 3.9: hlist iterator change

hlist iterators have been reworked to not require a temporary
node parameter.

Reviewed-on: http://gerrit.openafs.org/9403
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
(cherry picked from commit 9cfd7f768ca350d3b750e89e7ddb186bdad6f726)

Change-Id: I47df8894467f4bb1c60cf239ec0ce0a4d6ca29aa
Reviewed-on: http://gerrit.openafs.org/9639
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
Reviewed-by: Michael Meffie <mmeffie@sinenomine.net>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>