Windows: Updates Windows Vendoring

Updates windows dependent libraries for vendoing.

vendor/github.com/Microsoft/hcsshim/internal/safefile/safeopen_test.go

@@ -0,0 +1,53 @@
+package safefile
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"syscall"
+	"testing"
+
+	winio "github.com/Microsoft/go-winio"
+)
+
+func tempRoot() (*os.File, error) {
+	name, err := ioutil.TempDir("", "hcsshim-test")
+	if err != nil {
+		return nil, err
+	}
+	f, err := OpenRoot(name)
+	if err != nil {
+		os.Remove(name)
+		return nil, err
+	}
+	return f, nil
+}
+
+func TestRemoveRelativeReadOnly(t *testing.T) {
+	root, err := tempRoot()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(root.Name())
+	defer root.Close()
+
+	p := filepath.Join(root.Name(), "foo")
+	f, err := os.Create(p)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer f.Close()
+
+	bi := winio.FileBasicInfo{}
+	bi.FileAttributes = syscall.FILE_ATTRIBUTE_READONLY
+	err = winio.SetFileBasicInfo(f, &bi)
+	if err != nil {
+		t.Fatal(err)
+	}
+	f.Close()
+
+	err = RemoveRelative("foo", root)
+	if err != nil {
+		t.Fatal(err)
+	}
+}