Roll third_party/zlib/ 563140dd9..77c132322 (1 commit)

https://chromium.googlesource.com/chromium/src/third_party/zlib.git/+log/563140dd9c24..77c132322fe8

Created with:
  roll-dep third_party/zlib

R=nigi@chromium.org

Change-Id: Iff37ea87ca2a7f865f2e7706346eb6b587d8765c
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/85045
Auto-Submit: K. Moon <kmoon@chromium.org>
Reviewed-by: Hui Yingst <nigi@chromium.org>
Commit-Queue: Hui Yingst <nigi@chromium.org>
diff --git a/DEPS b/DEPS
index 1fdc31e..6a7066e5 100644
--- a/DEPS
+++ b/DEPS
@@ -131,7 +131,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling zlib
   # and whatever else without interference from each other.
-  'zlib_revision': '563140dd9c24f84bf40919196e9e7666d351cc0d',
+  'zlib_revision': '77c132322fe81a1f5518b326e18c99ebd3281627',
 }
 
 deps = {