try to fix windows

core/BUILD.gn

@@ -16,6 +16,9 @@ main_extern = [
   "$rust_build:serde_json",
   "$rust_build:log",
 ]
+if (is_win) {
+  main_extern += [ "$rust_build:winapi" ]
+}
 
 rust_crate("deno_core") {
   source_root = "lib.rs"

core/isolate.rs

@@ -131,14 +131,11 @@ impl<B: Behavior> Isolate<B> {
 
     let (is_sync, op) = if control_argv0.len() > 0 {
       // The user called libdeno.send(control)
-      assert!(control_shared.is_none());
       isolate
         .behavior
         .dispatch(control_argv0.as_ref(), zero_copy_buf)
     } else if let Some(c) = control_shared {
       // The user called Deno._sharedQueue.push(control)
-      // At this point the SharedQueue should be empty.
-      assert!(isolate.shared.shift().is_none());
       isolate.behavior.dispatch(&c, zero_copy_buf)
     } else {
       // The sharedQueue is empty. The shouldn't happen usually, but it's also
@@ -149,6 +146,9 @@ impl<B: Behavior> Isolate<B> {
       return;
     };
 
+    // At this point the SharedQueue should be empty.
+    assert_eq!(isolate.shared.size(), 0);
+
     if is_sync {
       let res_record = op.wait().unwrap();
       let push_success = isolate.shared.push(res_record);