vendor runc library to v1.0.0-rc91-48-g67169a9d

Signed-off-by: Jintao Zhang <zhangjintao9020@gmail.com>

vendor/github.com/opencontainers/runc/libcontainer/configs/device_unix.go

@@ -0,0 +1,16 @@
+// +build !windows
+
+package configs
+
+import (
+	"errors"
+
+	"golang.org/x/sys/unix"
+)
+
+func (d *DeviceRule) Mkdev() (uint64, error) {
+	if d.Major == Wildcard || d.Minor == Wildcard {
+		return 0, errors.New("cannot mkdev() device with wildcards")
+	}
+	return unix.Mkdev(uint32(d.Major), uint32(d.Minor)), nil
+}