diff -ur prismstumbler-0.7.4pre1_old/src/daemon/cards.c prismstumbler-0.7.4pre1/src/daemon/cards.c
--- prismstumbler-0.7.4pre1_old/src/daemon/cards.c	2006-03-28 19:31:26.000000000 +0200
+++ prismstumbler-0.7.4pre1/src/daemon/cards.c	2007-05-22 14:59:15.000000000 +0200
@@ -9,6 +9,8 @@
 
 #include <stdio.h>
 #include <sys/socket.h>
+#include <linux/types.h>
+#include <net/if.h>
 #include <linux/wireless.h>
 #include <glib.h>
 #include <string.h>