fix build

Author: amsanghi

arbnode/message-extraction/extraction-function/delayed_message_lookup.go

@@ -12,6 +12,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
+
 	"github.com/offchainlabs/nitro/arbnode"
 	meltypes "github.com/offchainlabs/nitro/arbnode/message-extraction/types"
 	"github.com/offchainlabs/nitro/arbos/arbostypes"