coding style fix

analysis/#01 — When Arithmetic Cannot Be Trusted/readme.md

@@ -195,15 +195,13 @@ Wait for valid data.
 ```cpp
 auto result = safe_add(a, b);
 
-if (result.invalid)
-{
+if (result.invalid) {
     publish_invalid();
     error_counter++;
     return;
 }
 
-if (result.value > c)
-{
+if (result.value > c) {
     update_state();
 }
 ```