New review comment by kawaiiamber on void-packages repository

https://github.com/void-linux/void-packages/pull/27618#discussion_r558835683

Comment:
The license is actually a BSD 3 Clause license, change to `license="BSD-3-Clause"`, and add
```
post_install() {
    vlicense LICENSE
}
```
but with a tab before vlicense, not spaces.