Clang-format aos

It has drifted...  Clean it up a bit.

Change-Id: I2fe31a2187b4f690634ae6942786575db20192af
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/aos/vision/debug/overlay.h b/aos/vision/debug/overlay.h
index c668e17..a2cecd5 100644
--- a/aos/vision/debug/overlay.h
+++ b/aos/vision/debug/overlay.h
@@ -239,7 +239,7 @@
   std::vector<std::pair<Vector<2>, double>> circles_;
 };
 
-}  // vision
-}  // aos
+}  // namespace vision
+}  // namespace aos
 
 #endif  // _AOS_VISION_IMAGE_DEBUG_OVERLAY_H_