--- libusb-compat-0.1.5.orig/libusb/usb.h	2013-05-05 18:29:02.000000000 +0200
+++ libusb-compat-0.1.5/libusb/usb.h	2013-12-20 15:49:30.974611582 +0100
@@ -25,6 +25,7 @@
 #ifndef __USB_H__
 #define __USB_H__
 
+#include <sys/types.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <limits.h>