Upgrade to tcpdump 4.7.4.

Bug: http://b/24902618
Change-Id: I7c3605015d90453b0a8c339b1774e285796f8775
diff --git a/udp.h b/udp.h
index d712dfc..743ddfa 100644
--- a/udp.h
+++ b/udp.h
@@ -1,4 +1,3 @@
-/* @(#) $Header: /tcpdump/master/tcpdump/udp.h,v 1.13 2007-08-08 17:20:58 hannes Exp $ (LBL) */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -39,12 +38,14 @@
  * Per RFC 768, September, 1981.
  */
 struct udphdr {
-	u_int16_t	uh_sport;		/* source port */
-	u_int16_t	uh_dport;		/* destination port */
-	u_int16_t	uh_ulen;		/* udp length */
-	u_int16_t	uh_sum;			/* udp checksum */
+	uint16_t	uh_sport;		/* source port */
+	uint16_t	uh_dport;		/* destination port */
+	uint16_t	uh_ulen;		/* udp length */
+	uint16_t	uh_sum;			/* udp checksum */
 };
 
+#define BOOTPS_PORT 67		/* RFC951 */
+#define BOOTPC_PORT 68		/* RFC951 */
 #define TFTP_PORT 69		/*XXX*/
 #define KERBEROS_PORT 88	/*XXX*/
 #define SUNRPC_PORT 111		/*XXX*/
@@ -73,6 +74,7 @@
 #define RADIUS_NEW_PORT 1812
 #define RADIUS_ACCOUNTING_PORT 1646
 #define RADIUS_NEW_ACCOUNTING_PORT 1813
+#define RADIUS_COA_PORT 3799
 #define HSRP_PORT 1985		/*XXX*/
 #define LMP_PORT                701 /* rfc4204 */
 #define LWRES_PORT		921
@@ -85,15 +87,17 @@
 #define BFD_ECHO_PORT           3785 /* draft-katz-ward-bfd-v4v6-1hop-00.txt */
 #define WB_PORT			4567
 #define SFLOW_PORT              6343 /* http://www.sflow.org/developers/specifications.php */
-#define LWAPP_DATA_PORT         12222 /* draft-ohara-capwap-lwapp-04.txt */
-#define LWAPP_CONTROL_PORT      12223 /* draft-ohara-capwap-lwapp-04.txt */
+#define LWAPP_DATA_PORT         12222 /* RFC 5412 */
+#define LWAPP_CONTROL_PORT      12223 /* RFC 5412 */
 #define OTV_PORT                8472  /* draft-hasmit-otv-04 */
-#define VXLAN_PORT              4789  /* draft-mahalingam-dutt-dcops-vxlan-04 */
+#define VXLAN_PORT              4789  /* RFC 7348 */
+#define GENEVE_PORT             6081  /* draft-gross-geneve-02 */
 
 #ifdef INET6
-#define RIPNG_PORT 521		/*XXX*/
+#define RIPNG_PORT              521   /* RFC 2080 */
 #define DHCP6_SERV_PORT 546	/*XXX*/
 #define DHCP6_CLI_PORT 547	/*XXX*/
-#define BABEL_PORT 6696
-#define BABEL_PORT_OLD 6697
+#define AHCP_PORT 5359		/* draft-chroboczek-ahcp-00 */
+#define BABEL_PORT              6696  /* RFC 6126 errata */
+#define BABEL_PORT_OLD          6697  /* RFC 6126 */
 #endif