vpn-statistic: move collectd.vpn to /var/ipfire/ovpn/

collectd.vpn needs to be within /var/ipfire/ovpn so that the
ovpnmain.cgi is able to write the status files from the n2n connections
to the file.

config/backup/include

@@ -4,6 +4,7 @@
 /var/ipfire/*/config
 /var/ipfire/*/enable
 /var/ipfire/*/*enable*
+/var/ipfire/ovpn/collectd.vpn
 /etc/passwd
 /etc/shadow
 /etc/group

config/rootfiles/common/collectd

@@ -243,3 +243,4 @@ usr/share/collectd/types.db
 #usr/share/man/man5/collectd.conf.5
 #usr/share/man/man5/types.db.5
 #var/lib/collectd
+var/ipfire/ovpn/collectd.vpn

config/rootfiles/core/89/update.sh

@@ -45,6 +45,9 @@ cat <<EOF >> /etc/sysconfig/createfiles
 /var/run/openvpn        dir     644     nobody  nobody
 EOF
 
+# Update /etc/collectd.conf
+echo "include \"/etc/collectd.vpn\"" >> /etc/collectd.conf
+
 # Generate ddns configuration file
 sudo -u nobody /srv/web/ipfire/cgi-bin/ddns.cgi