Updates to the Cache Manager to include NetBSD5 support

Updates to the Cache Manager to include NetBSD5 support

LKM currently builds and will mount when forced with the entry point
manually defined. Contents of /afs can be discovered, but when listing
the directory, the system call will not return.

Change-Id: I68ba1897b56613bd4ebbe331eea3140c6a963a7d
Reviewed-on: http://gerrit.openafs.org/2767
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>