uapi: fix linux/ip6_tunnel.h userspace compilation errors

Include <linux/if.h> and <linux/in6.h> to fix the following linux/ip6_tunnel.h userspace compilation errors:

/usr/include/linux/ip6_tunnel.h:23:12: error: 'IFNAMSIZ' undeclared here (not in a function)
char name[IFNAMSIZ]; /* name of tunnel device */
/usr/include/linux/ip6_tunnel.h:30:18: error: field 'laddr' has incomplete type
struct in6_addr laddr; /* local tunnel end-point address */

---
 include/uapi/linux/ip6_tunnel.h | 2 ++
 1 file changed, 2 insertions(+)

index 48af63c..425926c 100644
@@ -2,6 +2,8 @@
 #define _IP6_TUNNEL_H
 
 #include <linux/types.h>
+#include <linux/if.h>		/* For IFNAMSIZ. */
+#include <linux/in6.h>		/* For struct in6_addr. */
 
 #define IPV6_TLV_TNL_ENCAP_LIMIT 4
 #define IPV6_DEFAULT_TNL_ENCAP_LIMIT 4

ldv

From: "Dmitry V. Levin" <[email protected]>
Date: Thu, 23 Feb 2017 01:38:03 +0300

Applied.