Fix for an exit function this is not running on rewind exits, this co…

…uld leak memory

lib/wasix/src/syscalls/mod.rs

@@ -1374,7 +1374,7 @@ pub fn rewind_ext2(
 
         if errno != Errno::Success {
             let exit_code = ExitCode::from(errno);
-            ctx.data().on_exit(Some(exit_code));
+            ctx.data().blocking_on_exit(Some(exit_code));
             return Err(exit_code);
         }
     }