$NetBSD$

--- src/cdintf.cpp.orig	2009-04-11 09:01:35.000000000 +0000
+++ src/cdintf.cpp
@@ -47,13 +47,13 @@ static void TestCDIO(void)
 //
 
 #ifdef HAVE_LIB_CDIO
-static CdIo_t * cdioPtr = NULL;
+static CdIo_t * cdioPtr = (CdIo_t *)NULL;
 #endif
 
 bool CDIntfInit(void)
 {
 #ifdef HAVE_LIB_CDIO
-	cdioPtr = cdio_open(NULL, DRIVER_DEVICE);
+	cdioPtr = cdio_open((const char *)NULL, DRIVER_DEVICE);
 
 	if (cdioPtr == NULL)
 	{
