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/capability.c b/security/apparmor/capability.c
index b66a0e4..887a5e9 100644
--- a/security/apparmor/capability.c
+++ b/security/apparmor/capability.c
@@ -65,7 +65,7 @@
 	int type = AUDIT_APPARMOR_AUTO;
 	struct common_audit_data sa;
 	struct apparmor_audit_data aad = {0,};
-	COMMON_AUDIT_DATA_INIT(&sa, LSM_AUDIT_DATA_CAP);
+	sa.type = LSM_AUDIT_DATA_CAP;
 	sa.aad = &aad;
 	sa.u.cap = cap;
 	sa.aad->tsk = task;