VFS_VGET(9) on FreeBSD

The text a1d514c2c2f6, as FreeBSD 4.2-RELEASE, FreeBSD 4.1.1-RELEASE, FreeBSD 4.1-RELEASE, FreeBSD 4.0-RELEASE shipped it.

convert an inode number to a vnode

VFS_VGET(9) on FreeBSD now