Update README.md

fix no new variables error in example

Author: yedamao

README.md

@@ -50,7 +50,7 @@ func main() {
 	fmt.Printf("UUIDv4: %s\n", u2)
 
 	// Parsing UUID from string input
-	u2, err := uuid.FromString("6ba7b810-9dad-11d1-80b4-00c04fd430c8")
+	u2, err = uuid.FromString("6ba7b810-9dad-11d1-80b4-00c04fd430c8")
 	if err != nil {
 		fmt.Printf("Something went wrong: %s", err)
 		return