remove native from cargo:rustc-link-lib

native is only defined for rustc-link-search

https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib

Having it present in rustc-link-lib results in build errors.

zfs-core-sys/build.rs

@@ -97,7 +97,7 @@ fn main() {
  if let Some(v) = lzc_libdir {
  println!("cargo:rustc-link-search=native={}", v.to_str().unwrap());
  }
- println!("cargo:rustc-link-lib=native=zfs_core");
+ println!("cargo:rustc-link-lib=zfs_core");
  }
  }