10805 Fix for 10687 can be improved

@@ -653,11 +653,11 @@
 #define DPRINT_MASK_ALL         0xffffffff      /* for everything */
 
 #ifdef  DEBUG
 #define SCSA2USB_PRINT_CDB      scsa2usb_print_cdb
 #else
-#define SCSA2USB_PRINT_CDB(...)
+#define SCSA2USB_PRINT_CDB(...) (void)(0)
 #endif
 
 /* ugen support */
 #define SCSA2USB_MINOR_UGEN_BITS_MASK   0xff
 #define SCSA2USB_MINOR_INSTANCE_MASK    ~SCSA2USB_MINOR_UGEN_BITS_MASK