Adding upstream version 2.52.6.

Signed-off-by: Daniel Baumann <daniel@debian.org>

internal/gopsutil/load/load_openbsd.go

@@ -0,0 +1,17 @@
+//go:build openbsd
+
+package load
+
+import (
+	"unsafe"
+
+	"golang.org/x/sys/unix"
+)
+
+func getForkStat() (forkstat, error) {
+	b, err := unix.SysctlRaw("kern.forkstat")
+	if err != nil {
+		return forkstat{}, err
+	}
+	return *(*forkstat)(unsafe.Pointer((&b[0]))), nil
+}