[lld] Fix build failure of lld/ELF/OutputSections.cpp (PR #70368)

[Fangrui Song via llvm-commits]

MaskRay wrote:

I think zlib is often disabled on Windows, so nobody has noticed for such a long time. 

> On Windows when zlib is enabled, zlib header introduced some C headers which defines max as a macro. Since OutputSections.cpp uses std::max with template argument, this causes compilation error.

Can you point out where `max` is defined in zlib v2.3.13? A likely better choice is to disable zlib for Windows if a problematic one is found.

https://github.com/llvm/llvm-project/pull/70368