log: changed if-else blocks to conform with golint (ethereum#16661)

log/handler.go

@@ -234,9 +234,8 @@ func FailoverHandler(hs ...Handler) Handler {
  err = h.Log(r)
  if err == nil {
  return nil
- } else {
- r.Ctx = append(r.Ctx, fmt.Sprintf("failover_err_%d", i), err)
  }
+ r.Ctx = append(r.Ctx, fmt.Sprintf("failover_err_%d", i), err)
  }
 
  return err
@@ -320,13 +319,12 @@ func evaluateLazy(lz Lazy) (interface{}, error) {
  results := value.Call([]reflect.Value{})
  if len(results) == 1 {
  return results[0].Interface(), nil
- } else {
- values := make([]interface{}, len(results))
- for i, v := range results {
- values[i] = v.Interface()
- }
- return values, nil
  }
+ values := make([]interface{}, len(results))
+ for i, v := range results {
+ values[i] = v.Interface()
+ }
+ return values, nil
 }
 
 // DiscardHandler reports success for all writes but does nothing.