Comment style

tests/unit/s2n_random_test.c

@@ -865,7 +865,7 @@ static int s2n_random_invalid_urandom_fd_cb(struct random_test_case *test_case)
  EXPECT_TRUE(public_bytes_used > 0);
  }
 
- // Fully clean up the library so we can call s2n_init again
+ /* Fully clean up the library so we can call s2n_init again */
  EXPECT_SUCCESS(s2n_cleanup_final());
  }