Add WITH_UNALIGHED back
All three places related to WITH_UNALIGHED are different from original zlib. Those usage is safe according to the blog linked by Gentoo. Upstream discussion link: https://github.com/zlib-ng/zlib-ng/issues/1652
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All three places related to WITH_UNALIGHED are different from original zlib. Those usage is safe according to the blog linked by Gentoo. Upstream discussion link: https://github.com/zlib-ng/zlib-ng/issues/1652