pfSense/pfsense f5e2f7dsrc/etc/inc openvpn.inc

Add ability for OpenVPN instances to resync on IP changes and on boot.

OpenVPN instances resync if interface IP change occurs.
At boot, the interface is the empty string, so resync is mandatory to generate OpenVPN files in /var/etc/openvpn.

(cherry picked from commit 7071aab3b2c70bbed531e0f82bedab3273484843)
DeltaFile
+11-9src/etc/inc/openvpn.inc
+11-91 files

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