[PATCH] SELinux: fix size-128 slab leak

Remove private inode tests from security_inode_alloc and security_inode_free,
as we otherwise end up leaking inode security structures for private inodes.

Signed-off-by:  Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: James Morris <jmorris@namei.org>
Signed-off-by:  Linus Torvalds <torvalds@osdl.org>