Added check line 175: Needed to fix error in GUI
Added check line 175: Needed to fix error in GUI

Added check to see if $config['ipsec']["ipsec_{$lkey}"] is set before executing unnecessary unset, was causing issues when trying to enable/disable ("Do NOT check packages signature")
jxmx/pfsense,phil-davis/pfsense,BlackstarGroup/pfsense,pfsense/pfsense,phil-davis/pfsense,phil-davis/pfsense,ptorsten/pfsense,pfsense/pfsense,dennypage/pfsense,NOYB/pfsense,ptorsten/pfsense,NewEraCracker/pfsense,NOYB/pfsense,dennypage/pfsense,NOYB/pfsense,ptorsten/pfsense,NewEraCracker/pfsense,ch1c4um/pfsense,dennypage/pfsense,ch1c4um/pfsense,jxmx/pfsense,pfsense/pfsense,jxmx/pfsense,brunostein/pfsense,phil-davis/pfsense,ch1c4um/pfsense,brunostein/pfsense,BlackstarGroup/pfsense,NewEraCracker/pfsense,pfsense/pfsense,dennypage/pfsense,brunostein/pfsense,ch1c4um/pfsense,NewEraCracker/pfsense,BlackstarGroup/pfsense,BlackstarGroup/pfsense