[clang] [clang-shlib] Fix linking libclang-cpp on Haiku (PR #156401)

[David Spickett via cfe-commits]

DavidSpickett wrote:

This is required because libclang includes some component that accesses the network I assume. Like some part of clangd?

This looks fine to me just want to confirm that it's clearly intentionally needed not some random function we used accidentally.

https://github.com/llvm/llvm-project/pull/156401