--- qemu/roms/seabios/src/usb-hid.h	2018/04/24 17:36:48	1.1
+++ qemu/roms/seabios/src/usb-hid.h	2018/04/24 17:52:04	1.1.1.2
@@ -5,8 +5,8 @@
 struct usb_interface_descriptor;
 int usb_keyboard_init(u32 endp, struct usb_interface_descriptor *iface
                       , int imax);
-void usb_keyboard_setup();
-void usb_check_key();
+void usb_keyboard_setup(void);
+void usb_check_key(void);
 
 
 /****************************************************************