Linux 3.6: lookup inode operation API change

Linux 3.6: lookup inode operation API change

The nameidata argument is replaced with an unsigned int flags
argument.

Reviewed-on: http://gerrit.openafs.org/7987
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementix.org>
(cherry picked from commit ec48dca871ef98adb69792a34047c6be5818f1b2)

Change-Id: Ic8be26141ede6e1c4062872c79a846efb0045bda
Reviewed-on: http://gerrit.openafs.org/8084
Reviewed-by: Ken Dreyer <ktdreyer@ktdreyer.com>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>