[zlib][fuzz] Cover deflateCopy() with the deflate_fuzzer

This expands the API coverage of the fuzzer a little bit.

Bug: 40263542
Change-Id: Ib0ff0509072aa7aa2977d6bd20ac90035eac2244
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5343954
Auto-Submit: Hans Wennborg <hans@chromium.org>
Commit-Queue: Adenilson Cavalcanti <cavalcantii@chromium.org>
Reviewed-by: Adenilson Cavalcanti <cavalcantii@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1270290}
NOKEYCHECK=True
GitOrigin-RevId: 63d102e99de9f1d43b574cd720665307ceb4d1f2
1 file changed