Fixed issue with window ID on winit

examples/multi_window/Cargo.toml

@@ -8,5 +8,6 @@ publish = false
 
 [dependencies]
 iced = { path = "../..", features = ["debug", "multi_window"] }
+env_logger = "0.10.0"
 iced_native = { path = "../../native" }
 iced_lazy = { path = "../../lazy" }

examples/multi_window/src/main.rs

@@ -15,6 +15,8 @@ use iced_native::{event, subscription, Event};
 use std::collections::HashMap;
 
 pub fn main() -> iced::Result {
+    env_logger::init();
+
     Example::run(Settings::default())
 }