The /etc/ipsec.d directory holds the certificates and CRLs used for
IPsec, many of which may have been uploaded by users. /etc/ipsec.conf
and /etc/ipsec.secrets hold user configuration for the IPsec daemons.
Add a keep.d file to preserve these files/directories across upgrades.
Signed-off-by: Kevin Locke <kevin@kevinlocke.name>
git-svn-id: svn://svn.openwrt.org/openwrt/packages@29584 3c298f89-4303-0410-b956-a3cf2f4a3e73
