Running the patch script on Windows (with `patch` available) yields an invalid syntax warning, and does not apply patches.
```
kamik@T460p MINGW64 /d/work/angular/aio (master)
$ yarn postinstall
yarn postinstall v0.24.6
$ node tools/cli-patches/patch.js && uglifyjs node_modules/lunr/lunr.js -c -m -o src/assets/js/lunr.min.js --source-map
The syntax of the command is incorrect.
Done in 1.52s.
```