Sync typeshed (#3261)

gvanrossum · ilevkivskyi · commit 665a8107064c · 2017-04-26T21:27:52.000+02:00
diff --git a/typeshed b/typeshed
@@ -1 +1 @@
-Subproject commit f7e4cb8c7921cb7abd6d8293d27725854221b267
+Subproject commit c05570cf00698c3f8942cc3c8de37fc4de6f17db
