Roll third_party/zlib/ 2b4888a46..8c79b6c8d (10 commits)

https://chromium.googlesource.com/chromium/src/third_party/zlib.git/+log/2b4888a46ae7..8c79b6c8db8b

Created with:
  roll-dep third_party/zlib

TBR=dsinclair@chromium.org
Change-Id: I0948df83f04a93e8b1af780b5c79cbb7fd8191af
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/60331
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index c7315e5..376b601 100644
--- a/DEPS
+++ b/DEPS
@@ -33,7 +33,7 @@
   'trace_event_revision': 'cfe8887fa6ac3170e23a68949930e28d4705a16f',
   'v8_revision': '33faa512cb633005dd8e13a91ca4fb12033ba376',
   'yasm_source_revision': '720b70524a4424b15fc57e82263568c8ba0496ad',
-  'zlib_revision': '2b4888a46ae73eb1261efc924ac13fe2faa6c480',
+  'zlib_revision': '8c79b6c8db8bafc9cf5db82f2aad649a86947345',
 }
 
 deps = {