Roll third_party/zlib/ d866d41e1..18d27fa10 (1 commit)

https://chromium.googlesource.com/chromium/src/third_party/zlib.git/+log/d866d41e168e..18d27fa10b23

Created with:
  roll-dep third_party/zlib

Change-Id: I0641c706e997728470bf9d3ff5e7a992c7148774
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/103051
Reviewed-by: K. Moon <kmoon@chromium.org>
Commit-Queue: Nigi <nigi@chromium.org>
diff --git a/DEPS b/DEPS
index 7b380c4..1119575 100644
--- a/DEPS
+++ b/DEPS
@@ -168,7 +168,7 @@
   # 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': 'd866d41e168ec04545bb17031fa911007a0581f4',
+  'zlib_revision': '18d27fa10b237fdfcbd8f0c65c19fe009981a3bc',
 }
 
 # Only these hosts are allowed for dependencies in this DEPS file.