clippy: Fix codebase to compile with beta toolchain

Fixes the current codebase so that every cargo clippy can be run with
the beta toolchain without any error.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>

vhost_user_block/src/lib.rs

@@ -469,10 +469,10 @@ impl VhostUserBlkBackendConfig {
             path,
             socket,
             num_queues,
+            queue_size,
             readonly,
             direct,
             poll_queue,
-            queue_size,
         })
     }
 }