update Windows leak comment

Author: RalfJung

src/eval.rs

@@ -183,8 +183,7 @@ pub fn create_ecx<'mir, 'tcx: 'mir>(
 /// Returns `Some(return_code)` if program executed completed.
 /// Returns `None` if an evaluation error occured.
 pub fn eval_main<'tcx>(tcx: TyCtxt<'tcx>, main_id: DefId, config: MiriConfig) -> Option<i64> {
-    // FIXME: on Windows, locks and TLS dtor management allocate and leave that memory in `static`s.
-    // So we need https://github.com/rust-lang/miri/issues/940 to fix the leaks there.
+    // FIXME: on Windows, we ignore leaks (https://github.com/rust-lang/miri/issues/1302).
     let ignore_leaks = config.ignore_leaks || tcx.sess.target.target.target_os == "windows";
 
     let (mut ecx, ret_place) = match create_ecx(tcx, main_id, config) {