Update ethereum/eip712/encoding.go

Co-authored-by: Federico Kunze Küllmer <[email protected]>

ethereum/eip712/encoding.go

@@ -74,8 +74,7 @@ func decodeAminoSignDoc(signDocBytes []byte) (apitypes.TypedData, error) {
 
  // Unwrap fees
  var fees legacytx.StdFee
- err = ethermintAminoCodec.UnmarshalJSON(aminoDoc.Fee, &fees)
- if err != nil {
+ if err := ethermintAminoCodec.UnmarshalJSON(aminoDoc.Fee, &fees); err != nil {
  return apitypes.TypedData{}, err
  }