[arch-general] Virtualbox Models for 5.2.34 (supported) Fail to Build against Linux 5.4

[David C. Rankin]

All,

  Heads up to anyone still running Virtualbox 5.2.34 due to issues with
headless clients in Virtualbox 6.x, the kernel modules for 5.2.34 will not
build against Linux-5.4.

  Build failure details at:

https://sourceforge.net/p/vbox-users/mailman/vbox-users-community/?viewmonth=201912

-- 
David C. Rankin, J.D.,P.E.