NetLabel: use gfp_t instead of int where it makes sense

There were a few places in the NetLabel code where the int type was being used
instead of the gfp_t type, this patch corrects this mistake.
Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: James Morris <jmorris@namei.org>

include/net/netlabel.h

@@ -205,7 +205,7 @@ static inline void netlbl_secattr_destroy(struct netlbl_lsm_secattr *secattr)
  * pointer on success, or NULL on failure.
  *
  */
-static inline struct netlbl_lsm_secattr *netlbl_secattr_alloc(int flags)
+static inline struct netlbl_lsm_secattr *netlbl_secattr_alloc(gfp_t flags)
 {
 	return kzalloc(sizeof(struct netlbl_lsm_secattr), flags);
 }