[VOL-4293] OpenONU Adapter update for gRPC migration

Change-Id: I05300d3b95b878f44576a99a05f53f52fdc0cda1
diff --git a/vendor/golang.org/x/sys/unix/xattr_bsd.go b/vendor/golang.org/x/sys/unix/xattr_bsd.go
index 30c1d71..25df1e3 100644
--- a/vendor/golang.org/x/sys/unix/xattr_bsd.go
+++ b/vendor/golang.org/x/sys/unix/xattr_bsd.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build freebsd || netbsd
 // +build freebsd netbsd
 
 package unix