New issue by p2501mk on void-packages repository

https://github.com/void-linux/void-packages/issues/24705

Description:
Both DKMS fail to build for every 5.8 series kernel.

### System

* xuname:  
  Void 5.7.19_1 x86_64 GenuineIntel uptodate rrFFFF
* package:  
  basically every 5.8 series kernel release
* affected package(s) including the version:
  virtualbox-ose-6.1.10_2
  nvidia-390.138

### Expected behavior
 DKMS builds

### Actual behavior
 `Building DKMS module: nvidia-390.138... FAILED!
Building DKMS module: virtualbox-ose-6.1.10... FAILED!`