Upgrade to tcpdump 4.7.4.

Bug: http://b/24902618
Change-Id: I7c3605015d90453b0a8c339b1774e285796f8775
diff --git a/print-beep.c b/print-beep.c
index b476dbf..7982feb 100644
--- a/print-beep.c
+++ b/print-beep.c
@@ -9,26 +9,16 @@
  *
  */
 
-#ifndef lint
-static const char rcsid[] _U_ =
-  "@(#) $Header: /tcpdump/master/tcpdump/print-beep.c,v 1.6 2003-11-16 09:36:13 guy Exp $";
-#endif
-
+#define NETDISSECT_REWORKED
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include <tcpdump-stdinc.h>
 
-#ifdef HAVE_MEMORY_H
-#include <memory.h>
-#endif
-#include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 
 #include "interface.h"
-#include "extract.h"
 
 /* Check for a string but not go beyond length
  * Return TRUE on match, FALSE otherwise
@@ -36,8 +26,6 @@
  * Looks at the first few chars up to tl1 ...
  */
 
-static int l_strnstart(const char *, u_int, const char *, u_int);
-
 static int
 l_strnstart(const char *tstr1, u_int tl1, const char *str2, u_int l2)
 {
@@ -49,23 +37,23 @@
 }
 
 void
-beep_print(const u_char *bp, u_int length)
+beep_print(netdissect_options *ndo, const u_char *bp, u_int length)
 {
 
 	if (l_strnstart("MSG", 4, (const char *)bp, length)) /* A REQuest */
-		printf(" BEEP MSG");
+		ND_PRINT((ndo, " BEEP MSG"));
 	else if (l_strnstart("RPY ", 4, (const char *)bp, length))
-		printf(" BEEP RPY");
+		ND_PRINT((ndo, " BEEP RPY"));
 	else if (l_strnstart("ERR ", 4, (const char *)bp, length))
-		printf(" BEEP ERR");
+		ND_PRINT((ndo, " BEEP ERR"));
 	else if (l_strnstart("ANS ", 4, (const char *)bp, length))
-		printf(" BEEP ANS");
+		ND_PRINT((ndo, " BEEP ANS"));
 	else if (l_strnstart("NUL ", 4, (const char *)bp, length))
-		printf(" BEEP NUL");
+		ND_PRINT((ndo, " BEEP NUL"));
 	else if (l_strnstart("SEQ ", 4, (const char *)bp, length))
-		printf(" BEEP SEQ");
+		ND_PRINT((ndo, " BEEP SEQ"));
 	else if (l_strnstart("END", 4, (const char *)bp, length))
-		printf(" BEEP END");
+		ND_PRINT((ndo, " BEEP END"));
 	else
-		printf(" BEEP (payload or undecoded)");
+		ND_PRINT((ndo, " BEEP (payload or undecoded)"));
 }