Vendor github.com/mdlayher/wifi and dependencies

vendor/github.com/mdlayher/netlink/nlenc/string.go

@@ -0,0 +1,14 @@
+package nlenc
+
+import "bytes"
+
+// Bytes returns a null-terminated byte slice with the contents of s.
+func Bytes(s string) []byte {
+	return append([]byte(s), 0x00)
+}
+
+// String returns a string with the contents of b from a null-terminated
+// byte slice.
+func String(b []byte) string {
+	return string(bytes.TrimSuffix(b, []byte{0x00}))
+}