Fix web build

Author: emilk

crates/store/re_video/src/decode/mod.rs

@@ -4,14 +4,16 @@
 #[cfg(not(target_arch = "wasm32"))]
 pub mod av1;
 
+#[cfg(not(target_arch = "wasm32"))]
 pub mod async_decoder;
 
+#[cfg(not(target_arch = "wasm32"))]
+pub use async_decoder::AsyncDecoder;
+
 use std::sync::atomic::AtomicBool;
 
 use crate::Time;
 
-pub use async_decoder::AsyncDecoder;
-
 #[derive(thiserror::Error, Debug)]
 pub enum Error {
     #[cfg(feature = "av1")]