LSM: do not initialize common_audit_data to 0

It isn't needed.  If you don't set the type of the data associated with
that type it is a pretty obvious programming bug.  So why waste the cycles?

Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c
index 03dbaef..421681c 100644
--- a/security/apparmor/policy.c
+++ b/security/apparmor/policy.c
@@ -965,7 +965,7 @@
 {
 	struct common_audit_data sa;
 	struct apparmor_audit_data aad = {0,};
-	COMMON_AUDIT_DATA_INIT(&sa, LSM_AUDIT_DATA_NONE);
+	sa.type = LSM_AUDIT_DATA_NONE;
 	sa.aad = &aad;
 	aad.op = op;
 	aad.name = name;