Fix Dep Loop

`info: Applying configuration version '1370536217'
err: Could not apply complete catalog: Found 1 dependency cycle:
(File[/etc/strongswan/ipsec.conf] => Class[Strongswan] => Class[Strongswan::Puppet] => File[/etc/strongswan] => File[/etc/strongswan/ipsec.conf])
Cycle graph written to /var/opt/lib/pe-puppet/state/graphs/cycles.dot.
notice: Finished catalog run in 0.56 seconds`