Merge pull request #3856 from tgross35/backport-wasi-fix

WASI: fix missing `Iterator` with `rustc-dep-of-std`

Author: tgross35

src/wasi.rs

@@ -1,4 +1,5 @@
 use super::{Send, Sync};
+use core::iter::Iterator;
 
 pub use ffi::c_void;