address feedback

Signed-off-by: James Alseth <james@jalseth.me>

pkg/tle/tle.go

@@ -52,17 +52,17 @@ func GenerateTransparencyLogEntry(anon models.LogEntryAnon) (*rekor_pb.Transpare
 
 	// Different call paths may supply string or []byte. If string, it is base64 encoded.
 	var body []byte
-	switch x := anon.Body.(type) {
+	switch v := anon.Body.(type) {
 	case string:
-		b, err := base64.StdEncoding.DecodeString(x)
+		b, err := base64.StdEncoding.DecodeString(v)
 		if err != nil {
 			return nil, fmt.Errorf("base64 decoding body: %w", err)
 		}
 		body = b
 	case []byte:
-		body = x
+		body = v
 	default:
-		return nil, fmt.Errorf("body is not string or []byte: (%T)%v", x, x)
+		return nil, fmt.Errorf("body is not string or []byte: (%T)%v", v, v)
 	}
 
 	pe, err := models.UnmarshalProposedEntry(bytes.NewReader(body), runtime.JSONConsumer())