Clean the log files after distcheck
Clean the log files after distcheck

Addressing:
ERROR: files left in build directory after distclean:
./tests/API/OVAL/report_variable_values/report_variable_values.log

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