[automerger skipped] Fix a bug when getting a gzip header extra field with...

[automerger skipped] Fix a bug when getting a gzip header extra field with inflate(). am: cc6c2db4 am: 1884a50e -s ours

am skip reason: skipped by user sadafebrahimi

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/zlib/+/20550758



Change-Id: Ie3d0cad9c42e813bb02bb599c705e31f6a21543e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>