netlabel: Changes to the NetLabel security attributes to allow LSMs to pass full contexts

This patch provides support for including the LSM's secid in addition to
the LSM's MLS information in the NetLabel security attributes structure.

Signed-off-by: Paul Moore <paul.moore@hp.com>
Acked-by: James Morris <jmorris@namei.org>
diff --git a/include/net/netlabel.h b/include/net/netlabel.h
index 074cad4..d56517a 100644
--- a/include/net/netlabel.h
+++ b/include/net/netlabel.h
@@ -203,7 +203,7 @@
 	u32 type;
 	char *domain;
 	struct netlbl_lsm_cache *cache;
-	union {
+	struct {
 		struct {
 			struct netlbl_lsm_secattr_catmap *cat;
 			u32 lvl;