New review comment by dkwo on void-packages repository

https://github.com/void-linux/void-packages/pull/31724#discussion_r662884562

Comment:
Is anything like this correct then?
```
if [ "$XBPS_CHECK_PKGS" = full ]; then
	configure_args+=" -Dtests=enabled"
	makedepends+=" check-devel"
else
	configure_args+=" -Dtests=disabled"
	checkdepends+=" check-devel"
fi
```