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/lsm.c b/security/apparmor/lsm.c
index 4f7bc07..032daab 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -589,7 +589,7 @@
 		} else {
 			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_SETPROCATTR;
 			aad.info = name;