Merged PR 1101606: Get back to zlib 1.2.11

Getting back to zlib 1.2.11
2017-11-14 19:12:02 +00:00 · 2017-11-14 19:12:02 +00:00 · ed2a875fd7
--- a/lib/zlib
+++ b/lib/zlib
@ -1 +1 @@
-Subproject commit 371a5b5fc7bd5498cedf5b526cfce9102a453061
+Subproject commit cacf7f1d4e3d44d871b605da3b647f07d718623f