Sync typeshed (#3076)

gvanrossum · web-flow · commit 7b41e5387841 · 2017-03-29T11:37:59.000-07:00
diff --git a/typeshed b/typeshed
@@ -1 +1 @@
-Subproject commit 03bfcee0b85d27018ad0a71a8b5b4439fa99cb80
+Subproject commit 18cc2cbf8c813aec6914be0381fe58350be1867f
