message: Fix compilation for non-unix systems
diff: use crate::prelude::*;
  -#[cfg(feature = "jit")]
  +#[cfg(all(feature = "jit", unix))]
  #[no_mangle]
  pub static mut __cg_clif_global_atomic_mutex: libc::pthread_mutex_t =
  libc::PTHREAD_MUTEX_INITIALIZER;
  