virtualbox mojave fix

[Joshua Root]

On 2019-5-19 16:20 , Ken Cunningham wrote:
> BTW, VB 5.x is the last that supports 32 bit OS client versions, so if
> you upgrade to VB 6.x then you lose those VMs.

To be clear, 32-bit *hosts* (the OS that you run on your actual
hardware, which VirtualBox runs under) are no longer supported in 6.x.
32-bit *guests* (the OS that runs under VirtualBox) are still supported.

- Josh