style(htlc): satisfy nlreturn in owner validation

Signed-off-by: Flamki <9833ayush@gmail.com>

Author: Flamki

token/services/identity/interop/htlc/validator.go

@@ -68,6 +68,7 @@ func VerifyOwner(senderRawOwner []byte, outRawOwner []byte, now time.Time) (*htl
 		if script.AllowSenderClaim {
 			return nil, None, errors.New("owner of output token does not correspond to sender or recipient in htlc request")
 		}
+
 		return nil, None, errors.New("owner of output token does not correspond to recipient in htlc request")
 	} else {
 		// this should be a reclaim