--- a/drivers/can_peak_win32/can_peak_win32.c	Fri Nov 12 22:49:26 2010 +0100
+++ b/drivers/can_peak_win32/can_peak_win32.c	Sat Nov 13 00:03:24 2010 +0100
@@ -217,7 +217,7 @@
 }
 
 /***************************************************************************/
-UNS8 canSend_driver (CAN_HANDLE fd0, Message * m)
+UNS8 canSend_driver (CAN_HANDLE fd0, Message const * m)
 {
 	UNS8 data;
 	DWORD localerrno;