--- a/src/wimax/model/wimax-tlv.h	Fri Aug 31 12:24:28 2012 +0200
+++ b/src/wimax/model/wimax-tlv.h	Sat Sep 01 20:57:21 2012 +0200
@@ -25,7 +25,7 @@
 #define WIMAX_TLV_EXTENDED_LENGTH_MASK 0x80
 
 #include "ns3/ipv4-address.h"
-#include <stdlib.h>
+#include <cstdlib>
 #include "ns3/log.h"
 #include "ns3/assert.h"
 #include "ns3/uinteger.h"