New review comment by newbluemoon on void-packages repository

https://github.com/void-linux/void-packages/pull/27828#discussion_r555264355

Comment:
Instead of the if-else-block you should use `configure_args=(vopt_enable jack-session)`.
See [https://github.com/void-linux/void-packages/blob/master/Manual.md#build-options](https://github.com/void-linux/void-packages/blob/master/Manual.md#build-options).