Merge pull request #26 from ian-p-cooke/with_shell32

shell32 is neeeded in latest Rust builds because of linking errors

build.rs

@@ -118,6 +118,7 @@ fn configured_by_vcpkg() -> bool {
         println!("cargo:rustc-link-lib=gdi32");
         println!("cargo:rustc-link-lib=user32");
         println!("cargo:rustc-link-lib=secur32");
+        println!("cargo:rustc-link-lib=shell32");
     }).is_ok()
 }