SECURITY: remove nameidata arg from inode_follow_link.

No ->inode_follow_link() methods use the nameidata arg, and
it is about to become private to namei.c.
So remove from all inode_follow_link() functions.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --cc fs/namei.c
Simple merge

diff --cc include/linux/security.h
Simple merge

diff --cc security/capability.c
Simple merge

diff --cc security/security.c
Simple merge

diff --cc security/selinux/hooks.c
Simple merge