[OVAL] agent: clear external variables upon session reset
[OVAL] agent: clear external variables upon session reset

openprivacy/openscap,openprivacy/openscap,mpreisler/openscap,Hexadorsimal/openscap,mpreisler/openscap,Hexadorsimal/openscap,postfix/openscap,openprivacy/openscap,isimluk/openscap,OpenSCAP/openscap,jan-cerny/openscap,jan-cerny/openscap,OpenSCAP/openscap,isimluk/openscap,redhatrises/openscap,ybznek/openscap,postfix/openscap,isimluk/openscap,ybznek/openscap,ybznek/openscap,isimluk/openscap,isimluk/openscap,postfix/openscap,postfix/openscap,OpenSCAP/openscap,Hexadorsimal/openscap,OpenSCAP/openscap,jan-cerny/openscap,mpreisler/openscap,redhatrises/openscap,postfix/openscap,mpreisler/openscap,jan-cerny/openscap,jan-cerny/openscap,openprivacy/openscap,openprivacy/openscap,isimluk/openscap,Hexadorsimal/openscap,mpreisler/openscap,ybznek/openscap,Hexadorsimal/openscap,redhatrises/openscap,Hexadorsimal/openscap,mpreisler/openscap,ybznek/openscap,redhatrises/openscap,jan-cerny/openscap,redhatrises/openscap,openprivacy/openscap,OpenSCAP/openscap,postfix/openscap,ybznek/openscap,OpenSCAP/openscap,redhatrises/openscap