Add Linux 4.14 ARPHRD_RAWIP to net/if_arp.h

[Joseph Myers]

This patch adds ARPHRD_RAWIP from Linux 4.14 to the Linux
net/if_arp.h.

Tested for x86_64.

2017-11-15  Joseph Myers  <joseph@codesourcery.com>

	* sysdeps/unix/sysv/linux/net/if_arp.h (ARPHRD_RAWIP): New macro.

diff --git a/sysdeps/unix/sysv/linux/net/if_arp.h b/sysdeps/unix/sysv/linux/net/if_arp.h
index 9b00644..95a7708 100644
--- a/sysdeps/unix/sysv/linux/net/if_arp.h
+++ b/sysdeps/unix/sysv/linux/net/if_arp.h
@@ -101,6 +101,7 @@ struct arphdr
 #define ARPHRD_LAPB	516		/* LAPB.  */
 #define ARPHRD_DDCMP	517		/* Digital's DDCMP.  */
 #define	ARPHRD_RAWHDLC	518		/* Raw HDLC.  */
+#define ARPHRD_RAWIP	519		/* Raw IP.  */
 
 #define ARPHRD_TUNNEL	768		/* IPIP tunnel.  */
 #define ARPHRD_TUNNEL6	769		/* IPIP6 tunnel.  */

-- 
Joseph S. Myers
joseph@codesourcery.com