Unbreak KERN_PROC_KTHREAD.  Explicitly list KERN_PROC_KTHREAD in the sysctl_doproc() switch so it does not match the default case (EINVAL).  deraadt@ OK.
Unbreak KERN_PROC_KTHREAD.  Explicitly list KERN_PROC_KTHREAD in
the sysctl_doproc() switch so it does not match the default case
(EINVAL).  deraadt@ OK.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars