Upgrade to tcpdump 4.7.4.
Bug: http://b/24902618
Change-Id: I7c3605015d90453b0a8c339b1774e285796f8775
diff --git a/print-smtp.c b/print-smtp.c
new file mode 100644
index 0000000..fe0bbc2
--- /dev/null
+++ b/print-smtp.c
@@ -0,0 +1,30 @@
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code
+ * distributions retain the above copyright notice and this paragraph
+ * in its entirety, and (2) distributions including binary code include
+ * the above copyright notice and this paragraph in its entirety in
+ * the documentation or other materials provided with the distribution.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
+ * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
+ * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "netdissect.h"
+#include "extract.h"
+
+void
+smtp_print(netdissect_options *ndo, const u_char *pptr, u_int len)
+{
+ txtproto_print(ndo, pptr, len, "smtp", NULL, 0);
+}