selinux: replace obsolete NLMSG_* with type safe nlmsg_*

Signed-off-by: Hong Zhiguo <honkiko@gmail.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/security/selinux/netlink.c b/security/selinux/netlink.c
index 14d810e..828fb6a 100644
--- a/security/selinux/netlink.c
+++ b/security/selinux/netlink.c
@@ -16,7 +16,6 @@
 #include <linux/kernel.h>
 #include <linux/export.h>
 #include <linux/skbuff.h>
-#include <linux/netlink.h>
 #include <linux/selinux_netlink.h>
 #include <net/net_namespace.h>
 #include <net/netlink.h>
@@ -77,7 +76,7 @@
 
 	len = selnl_msglen(msgtype);
 
-	skb = alloc_skb(NLMSG_SPACE(len), GFP_USER);
+	skb = nlmsg_new(len, GFP_USER);
 	if (!skb)
 		goto oom;