[llvm] Add zlib to Windows release build (PR #186630)

[via llvm-commits]

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@@ -149,6 +149,9 @@ if "%skip-checkout%" == "true" (
 curl -O https://gitlab.gnome.org/GNOME/libxml2/-/archive/v2.9.12/libxml2-v2.9.12.tar.gz || exit /b 1
 tar zxf libxml2-v2.9.12.tar.gz
 
+curl -O https://github.com/madler/zlib/releases/download/v1.3.2/zlib-1.3.2.tar.gz || exit /b 1
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Andarwinux wrote:

why not zlib-ng?

https://github.com/llvm/llvm-project/pull/186630