Linker errors building clang in crate_universe examples

[UebelAndre]

https://buildkite.com/bazel/rules-rust-rustlang/builds/12457#0192a053-e6b0-4b21-8f7d-d5af4b6e85f7

 = note: bazel-out/k8-fastbuild/bin/external/m_pkgs__curl/libcurl.a(mime.pic.o):mime.c:function curl_mime_filedata: error: undefined reference to 'stat'
          bazel-out/k8-fastbuild/bin/external/m_pkgs__curl/libcurl.a(fopen.pic.o):fopen.c:function Curl_fopen: error: undefined reference to 'fstat'
          collect2: error: ld returned 1 exit status
  = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
  = note: use the `-l` flag to specify native libraries to link
  = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib)
error: aborting due to 1 previous error

This occurred in #2944 and should be investigated.