New review comment by Duncaen on void-packages repository

https://github.com/void-linux/void-packages/pull/43682#discussion_r1240742380

Comment:
This looks wrong, you are probably trying to target cross builds, not specific architectures which can be compiled either native or cross.

```
if [ "$CROSS_BUILD" ]; then
	hostmakedepends+=" qt5-qmake qt5-host-tools"
fi
```