Proper invocation of the current credentials is to use current_cred() not
current->cred.  This patches makes IMA use the new method.
Signed-off-by: NEric Paris <eparis@redhat.com>
Acked-by: NMimi Zohar <zohar@us.ibm.com>
Signed-off-by: NJames Morris <jmorris@namei.org>