Fix compile error: Make IOV live longer

src/adapters/udp.rs

@@ -236,9 +236,10 @@ impl LocalResource {
         let mut control_buffer = nix::cmsg_space!(libc::sockaddr_storage);
 
         loop {
+            let mut iov = [io::IoSliceMut::new(&mut input_buffer)];
             let result = socket::recvmsg::<SockaddrStorage>(
                 self.socket.as_raw_fd(),
-                &mut [io::IoSliceMut::new(&mut input_buffer)],
+                &mut iov,
                 Some(&mut control_buffer),
                 MsgFlags::empty(),
             );
@@ -385,15 +386,15 @@ impl Local for LocalResource {
                     Some(ingress_addresses)
                 }
             }
-        }
+        } 
         else {
             None
         };
 
         if let Some(multicast) = multicast {
             socket.join_multicast_v4(multicast.ip(), &Ipv4Addr::UNSPECIFIED)?;
             socket.bind(&SocketAddrV4::new(Ipv4Addr::UNSPECIFIED, addr.port()).into())?;
-        }
+        } 
         else {
             socket.bind(&addr.into())?;
         }