Sync typeshed (#3877)

gvanrossum · web-flow · commit c1e96f553cdf · 2017-08-26T08:10:27.000-07:00
diff --git a/typeshed b/typeshed
@@ -1 +1 @@
-Subproject commit 1050b383a3e0982dc264f15818952eaa28d286a8
+Subproject commit 875bfe4c2a08f6f456db55fbdba520aecd19f0ec
