Update clippy

Manishearth · Manishearth · commit 9448e68480f8 · 2019-11-27T15:30:55.000-08:00
diff --git a/src/tools/clippy b/src/tools/clippy
@@ -1 +1 @@
-Subproject commit 60e8413a4e5b7c67001176783893b12411ce355e
+Subproject commit 7b8e8293d08d298579470f9d6c74731043c6601a
