fix application bug

vendor/github.com/lucas-clemente/quic-go/internal/protocol/encryption_level.go

@@ -7,22 +7,22 @@ type EncryptionLevel int
 const (
 	// EncryptionUnspecified is a not specified encryption level
 	EncryptionUnspecified EncryptionLevel = iota
-	// EncryptionUnencrypted is not encrypted
-	EncryptionUnencrypted
-	// EncryptionSecure is encrypted, but not forward secure
-	EncryptionSecure
-	// EncryptionForwardSecure is forward secure
-	EncryptionForwardSecure
+	// EncryptionInitial is the Initial encryption level
+	EncryptionInitial
+	// EncryptionHandshake is the Handshake encryption level
+	EncryptionHandshake
+	// Encryption1RTT is the 1-RTT encryption level
+	Encryption1RTT
 )
 
 func (e EncryptionLevel) String() string {
 	switch e {
-	case EncryptionUnencrypted:
-		return "unencrypted"
-	case EncryptionSecure:
-		return "encrypted (not forward-secure)"
-	case EncryptionForwardSecure:
-		return "forward-secure"
+	case EncryptionInitial:
+		return "Initial"
+	case EncryptionHandshake:
+		return "Handshake"
+	case Encryption1RTT:
+		return "1-RTT"
 	}
 	return "unknown"
 }