Update clippy

Manishearth · Manishearth · commit df81724000f4 · 2019-03-10T09:44:43.000-07:00
diff --git a/src/tools/clippy b/src/tools/clippy
@@ -1 +1 @@
-Subproject commit 5d78250c75db3b1923072cf1be3b03f7d0cef5e2
+Subproject commit 016d92d6ed5ae8a3785b65aa300768abbc26f818
