Update src/unix/uclibc/mod.rs

change `getnameinfo` flags type to `c_uint`

Co-authored-by: Yuki Okushi <huyuumi.dev@gmail.com>

Author: kolapapa2024

src/unix/uclibc/mod.rs

@@ -2326,7 +2326,7 @@ extern "C" {
         hostlen: ::socklen_t,
         serv: *mut ::c_char,
         sevlen: ::socklen_t,
-        flags: ::c_int,
+        flags: ::c_uint,
     ) -> ::c_int;
 }