clippy: fix/allow needless_range_loop

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>

src/config/network/helper.rs

@@ -51,6 +51,7 @@ pub static IPV4_REVERSE_MASK: &[&str] = &[
 lazy_static! {
     pub static ref IPV4_MASK_HASH_LOCALNET: HashMap<&'static str, u8> = {
         let mut map = HashMap::new();
+        #[allow(clippy::needless_range_loop)]
         for i in 8..32 {
             map.insert(IPV4_REVERSE_MASK[i], i as u8);
         }