audit_log_start() seems to take 3 arguments, but its defined to take 
only 2 when AUDIT is turned off.

security/selinux/avc.c:553:75: macro "audit_log_start" passed 3 arguments, but takes just 2
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NDavid Woodhouse <dwmw2@infradead.org>