cmd/tailscaled: fix depaware.
@@ -257,7 +257,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
golang.org/x/crypto/cryptobyte/asn1 from crypto/ecdsa+
golang.org/x/crypto/curve25519 from crypto/tls+
golang.org/x/crypto/hkdf from crypto/tls
- golang.org/x/crypto/nacl/box from tailscale.com/types/key+
+ golang.org/x/crypto/nacl/box from tailscale.com/types/key
golang.org/x/crypto/nacl/secretbox from golang.org/x/crypto/nacl/box
golang.org/x/crypto/poly1305 from golang.org/x/crypto/chacha20poly1305+
golang.org/x/crypto/salsa20/salsa from golang.org/x/crypto/nacl/box+
