Add a quick check to the FreeBSD screen brightness functions for not allowing screen brightness controls within a virtualbox VM (does not work since not host system).
Add a quick check to the FreeBSD screen brightness functions for not allowing screen brightness controls within a virtualbox VM (does not work since not host system).

krytarowski/lumina,mneumann/lumina,Nanolx/lumina,Nanolx/lumina,cpforbes/lumina,simplexb/lumina,sasongko26/lumina,trueos/lumina,sasongko26/lumina,trueos/lumina,grahamperrin/lumina,sasongko26/lumina,Nanolx/lumina,cpforbes/lumina,cpforbes/lumina,pcbsd/lumina,cpforbes/lumina,trueos/lumina,sasongko26/lumina,sasongko26/lumina,harcobbit/lumina,trueos/lumina,grahamperrin/lumina,cpforbes/lumina,trueos/lumina,sasongko26/lumina,cpforbes/lumina,harcobbit/lumina,cpforbes/lumina,trueos/lumina,krytarowski/lumina,trueos/lumina,krytarowski/lumina,simplexb/lumina,mneumann/lumina,trueos/lumina,pcbsd/lumina,cpforbes/lumina,pcbsd/lumina,harcobbit/lumina,sasongko26/lumina,sasongko26/lumina