diff -Naur tcptrack-1.3.0.orig/src/util.cc tcptrack-1.3.0/src/util.cc
--- tcptrack-1.3.0.orig/src/util.cc	2006-11-08 18:58:18 +0300
+++ tcptrack-1.3.0/src/util.cc	2008-12-15 21:17:42 +0300
@@ -21,6 +21,7 @@
  */
 #include "util.h"
 #include <stdio.h>
+#include <cstring>
 #include "headers.h"
 #ifdef HAVE_HASH_MAP
 # include <hash_map>