Changed kbhit() to use 0 instead of fileno(stdin) - stdio.h not included.

xtrn/sdk/xsdkwrap.c

@@ -230,7 +230,7 @@ void _termios_setup(void)
 
 int kbhit(void)
 {
-	if(!isatty(fileno(stdin)))
+	if(!isatty(0))
 		return(0);
 
 	// set up select() args