Update seap.h
Update seap.h

AVOID redefinING EOPNOTSUPP and ECANCELED if they are already defined in <errno.h>.
jan-cerny/openscap,OpenSCAP/openscap,mpreisler/openscap,mpreisler/openscap,OpenSCAP/openscap,mpreisler/openscap,jan-cerny/openscap,jan-cerny/openscap,redhatrises/openscap,mpreisler/openscap,OpenSCAP/openscap,OpenSCAP/openscap,jan-cerny/openscap,redhatrises/openscap,redhatrises/openscap,mpreisler/openscap,redhatrises/openscap,jan-cerny/openscap,redhatrises/openscap,jan-cerny/openscap,OpenSCAP/openscap,mpreisler/openscap,redhatrises/openscap,OpenSCAP/openscap