virtualbox-ose-additions - build fails due to env mixup

[Martin Simmons]

>>>>> On Mon, 12 Nov 2018 09:53:17 +0100, Domagoj Smolčić said:
> 
> virtualbox-ose-additions-5.2.22 and below
> 
> If user which su-ed to root, has in it's .shrc file, inclusion of i.e;
> . $HOME/_some_file.sh, during build, that file is included from /root/
> instead and build fails with:
>     .: Can't open /root/_some_file.sh
> As /usr/local/bin/kmk reports (kBuild-0.1.9998_11)
> 
> WORKAROUND:
>     Uncomment inclusion line
>   OR
>     Log in directly as a root

I suggest using "su - root" to become root.

__Martin