emulators/virtualbox-ose: error building package

[Barbara]

I had the following error while building a package for the new virtualbox:

===>  Building package for virtualbox-ose-4.0.8
tar: lib/virtualbox/VBoxDbg.so: Cannot stat: No such file or directory
tar: Error exit delayed from previous errors.
pkg_create: make_dist: tar command failed with code 256
*** Error code 1