Fix an instance of unused_must_use on Windows

Author: tgross35

src/lib.rs

@@ -1166,8 +1166,7 @@ mod test {
                 .ok()
                 .and_then(|p| match p.components().next().unwrap() {
                     Component::Prefix(prefix_component) => {
-                        let path = Path::new(prefix_component.as_os_str());
-                        path.join("*");
+                        let path = Path::new(prefix_component.as_os_str()).join("*");
                         Some(path.to_path_buf())
                     }
                     _ => panic!("no prefix in this path"),