diff --git a/vendor/golang.org/x/sys/unix/readdirent_getdents.go b/vendor/golang.org/x/sys/unix/readdirent_getdents.go
new file mode 100644
index 0000000..3a90aa6
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/readdirent_getdents.go
@@ -0,0 +1,12 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build aix dragonfly freebsd linux netbsd openbsd
+
+package unix
+
+// ReadDirent reads directory entries from fd and writes them into buf.
+func ReadDirent(fd int, buf []byte) (n int, err error) {
+	return Getdents(fd, buf)
+}