Fix WG Keep Alive field variable name. Fixes #11288
Fix WG Keep Alive field variable name. Fixes #11288

dennypage/pfsense,pfsense/pfsense,pfsense/pfsense,pfsense/pfsense,NewEraCracker/pfsense,NewEraCracker/pfsense,pfsense/pfsense,NewEraCracker/pfsense,dennypage/pfsense,dennypage/pfsense,dennypage/pfsense,NewEraCracker/pfsense