apparmor: Fix logical error in verify_header()

apparmor: Fix logical error in verify_header()

verify_header() is currently checking whether interface version is less
than 5 *and* greater than 7, which always evaluates to false. Instead it
should check whether it is less than 5 *or* greater than 7.

Signed-off-by: Christos Gkekas <chris.gekas@gmail.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
(cherry picked from commit c54a2175e3a6bf6c697d249bba1aa729e06c7ba8 linux-next)
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>