New issue by demostanis on void-packages repository

https://github.com/void-linux/void-packages/issues/35158

Description:
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### System

* xuname:  
 Void 5.15.12_1 x86_64-musl GenuineIntel uptodate rFF
* package:  
util-linux-2.37.2_2

### Expected behavior
`last` uses `/var/log/wtmp` 

### Actual behavior
`last: cannot open /dev/null/wtmp: Not a directory`

### Steps to reproduce the behavior
`last`

### Related
https://gitlab.alpinelinux.org/alpine/aports/-/issues/3282