kvm_getloadavg(3) on FreeBSD

The text ba82afca342a, as FreeBSD 4.4-RELEASE, FreeBSD 4.3-RELEASE, FreeBSD 4.2-RELEASE, FreeBSD 4.1.1-RELEASE, FreeBSD 4.1-RELEASE shipped it.

get load average of the system

kvm_getloadavg(3) on FreeBSD now