fwht_decoder: fix panic

Forgot to update this line when changing the memory handles.
diff --git a/src/decoder/stateful.rs b/src/decoder/stateful.rs
index f46c087..5d3c6f4 100644
--- a/src/decoder/stateful.rs
+++ b/src/decoder/stateful.rs
@@ -640,7 +640,7 @@
     fn enqueue_capture_buffers(&mut self) {
         if let CaptureQueue::Decoding(capture_queue) = &self.capture_queue {
             while let Ok(buffer) = capture_queue.try_get_free_buffer() {
-                buffer.queue_with_handles(Default::default()).unwrap();
+                buffer.queue_with_handles(vec![Default::default()]).unwrap();
             }
         }
     }