various formatting/comment fixups

Change-Id: I982b84fde71a9e378ffee7211a69e40715ef00e4
diff --git a/aos/common/queue.h b/aos/common/queue.h
index 474df2f..6cd699a 100644
--- a/aos/common/queue.h
+++ b/aos/common/queue.h
@@ -196,7 +196,9 @@
   void FetchAnother();
 
   // Returns the age of the message.
-  const time::Time Age() const { return time::Time::Now() - queue_msg_->sent_time; }
+  const time::Time Age() const {
+    return time::Time::Now() - queue_msg_->sent_time;
+  }
 
   // Returns true if the latest value in the queue is newer than age mseconds.
   // DEPRECATED(brians): Use IsNewerThan(const time::Time&) instead.