New review comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/42026#discussion_r1094400944

Comment:
```suggestion
		cat <<-EOF  >$svdir/log/run
		#!/bin/sh
		exec vlogger -p daemon -t $service
		EOF
```

While the printf is correct, it isn't visualized as good as heredoc.