CSRF: Close session before exit
CSRF: Close session before exit

On CSRF, call phpsession_end() before exit to avoid syslog warning
about open session

Submitted by: PiBa-NL

dennypage/pfsense,ptorsten/pfsense,dennypage/pfsense,phil-davis/pfsense,dennypage/pfsense,phil-davis/pfsense,dennypage/pfsense,pfsense/pfsense,NOYB/pfsense,NewEraCracker/pfsense,NewEraCracker/pfsense,NewEraCracker/pfsense,ptorsten/pfsense,NOYB/pfsense,NewEraCracker/pfsense,pfsense/pfsense,phil-davis/pfsense,pfsense/pfsense,pfsense/pfsense,ptorsten/pfsense,phil-davis/pfsense,NOYB/pfsense