SVN r292469 breaks VirtualBox

[Michael Butler]

While the kernel modules will build, they won't load ..

kernel: linker_load_file: Unsupported file type
kernel: link_elf_obj: symbol vm_pageout_grow_cache undefined
kernel: linker_load_file: Unsupported file type
kernel: KLD vboxnetflt.ko: depends on vboxdrv - not available or version
mismatch
kernel: linker_load_file: Unsupported file type
kernel: link_elf_obj: symbol vm_pageout_grow_cache undefined
kernel: linker_load_file: Unsupported file type
kernel: KLD vboxnetadp.ko: depends on vboxdrv - not available or version
mismatch
kernel: linker_load_file: Unsupported file type

	imb