Updated install-virtualbox.sh to reflect name change of udev's rule file.
Updated install-virtualbox.sh to reflect name change of udev's rule file.

obedmr/packer-arch,frkwy/packer-arch,elasticdog/packer-arch,cosmo0920/packer-arch,jantman/packer-arch-workstation,0robustus1/packer-arch,BohrShaw/packer-arch,agt-the-walker/packer-arch,tomaspapan/packer-arch,tomswartz07/packer-arch,0robustus1/packer-arch,slash170/packer-arch,aidanharris/packer-arch,0robustus1/packer-arch,smaknsk/packer-arch,OpenAcademyChefs/packer-arch-chef,jantman/packer-arch-workstation,dragon788/packer-arch,appleby/Lisp-In-Small-Pieces-VM