multi: fix linter errors

lnwallet/btcwallet/config.go

@@ -7,11 +7,12 @@ import (
 	"github.com/roasbeef/btcd/wire"
 	"github.com/roasbeef/btcutil"
 
+	"github.com/roasbeef/btcwallet/chain"
+
 	// This is required to register bdb as a valid walletdb driver. In the
 	// init function of the package, it registers itself. The import is used
 	// to activate the side effects w/o actually binding the package name to
 	// a file-level variable.
-	"github.com/roasbeef/btcwallet/chain"
 	_ "github.com/roasbeef/btcwallet/walletdb/bdb"
 )