diff -urN mdk3-v6/osdep/radiotap/radiotap-parser.c mdk3-v6.new/osdep/radiotap/radiotap-parser.c
--- mdk3-v6/osdep/radiotap/radiotap-parser.c	2009-08-16 18:16:14.000000000 +0200
+++ mdk3-v6.new/osdep/radiotap/radiotap-parser.c	2009-11-01 10:30:08.000000000 +0100
@@ -18,6 +18,7 @@
 
 #include <stdio.h>
 #include <errno.h>
+#include <sys/types.h>
 
 #include "radiotap-parser.h"
 
