calm clippy

Author: lorenzleutgeb

src/unix/linux_like/mod.rs

@@ -2063,6 +2063,7 @@ extern "C" {
     pub fn getdomainname(name: *mut c_char, len: size_t) -> c_int;
     pub fn setdomainname(name: *const c_char, len: size_t) -> c_int;
 
+    #[allow(dead_code)]
     pub fn res_init() -> c_int;
     pub fn res_query(
         dname: *const c_char,