Fix missing vendor dir

vendor/github.com/tklauser/numcpus/numcpus_bsd.go

@@ -0,0 +1,65 @@
+// Copyright 2018 Tobias Klauser
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+
+package numcpus
+
+import (
+	"runtime"
+
+	"golang.org/x/sys/unix"
+)
+
+func getConfigured() (int, error) {
+	n, err := unix.SysctlUint32("hw.ncpu")
+	return int(n), err
+}
+
+func getKernelMax() (int, error) {
+	if runtime.GOOS == "freebsd" {
+		n, err := unix.SysctlUint32("kern.smp.maxcpus")
+		return int(n), err
+	}
+	return 0, ErrNotSupported
+}
+
+func getOffline() (int, error) {
+	return 0, ErrNotSupported
+}
+
+func getOnline() (int, error) {
+	var n uint32
+	var err error
+	switch runtime.GOOS {
+	case "netbsd", "openbsd":
+		n, err = unix.SysctlUint32("hw.ncpuonline")
+		if err != nil {
+			n, err = unix.SysctlUint32("hw.ncpu")
+		}
+	default:
+		n, err = unix.SysctlUint32("hw.ncpu")
+	}
+	return int(n), err
+}
+
+func getPossible() (int, error) {
+	n, err := unix.SysctlUint32("hw.ncpu")
+	return int(n), err
+}
+
+func getPresent() (int, error) {
+	n, err := unix.SysctlUint32("hw.ncpu")
+	return int(n), err
+}