[Openswan Users] compile a klips module on centos-5.6

[Giovani Moda]

> You *might* be able to fix thinsg by copying ipsec_kversion.h from
openswan 2.6.x
> to openswan 2.4.x, but no guarantees.

Or you can use 2.4.9 and apply patches for CVE-2009-0790 and
CVE-2009-2185 before you compile it. I've been using this version with
klips module for a while now and haven't had any problems.

Giovani