Fix Windows build

Cargo.lock

@@ -2988,6 +2988,7 @@ dependencies = [
  "tracing-subscriber",
  "tracing-wasm",
  "wgpu",
+ "winapi",
 ]
 
 [[package]]

objdiff-cli/src/cmd/diff.rs

@@ -374,8 +374,7 @@ fn run_interactive(
             })?;
         }
         loop {
-            let has_event = event::poll(Duration::from_millis(100))?;
-            if has_event {
+            if event::poll(Duration::from_millis(100))? {
                 match view.handle_event(&mut state, event::read()?) {
                     EventControlFlow::Break => break 'outer,
                     EventControlFlow::Continue(r) => result = r,

objdiff-core/src/jobs/update.rs

@@ -1,6 +1,6 @@
 use std::{
     env::{current_dir, current_exe},
-    fs::{File, Permissions},
+    fs::File,
     path::PathBuf,
     sync::mpsc::Receiver,
     task::Waker,
@@ -51,7 +51,7 @@ fn run_update(
     #[cfg(unix)]
     {
         use std::{fs, os::unix::fs::PermissionsExt};
-        fs::set_permissions(&target_file, Permissions::from_mode(0o755))?;
+        fs::set_permissions(&target_file, fs::Permissions::from_mode(0o755))?;
     }
     tmp_dir.close()?;
 

objdiff-gui/Cargo.toml

@@ -74,6 +74,9 @@ features = [
 optional = true
 default-features = false
 
+[target.'cfg(windows)'.dependencies]
+winapi = "0.3"
+
 [target.'cfg(unix)'.dependencies]
 exec = "0.3"