Fix config

build.rs

@@ -46,7 +46,7 @@ fn main() -> Result<()> {
  let mut res = winres::WindowsResource::new();
  res.set_icon("src/julia.ico");
 
- #[cfg(winpkgidentityext)]
+ #[cfg(feature="winpkgidentityext")]
  res.set_manifest_file("deploy/winpkgidentityext/app.manifest");
 
  res.compile().unwrap();