Input: gamecon - fix off by one range check

It should be >= GC_MAX not > GC_MAX.
Signed-off-by: NDan Carpenter <error27@gmail.com>
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>

drivers/input/joystick/gamecon.c

@@ -819,7 +819,7 @@ static int __init gc_setup_pad(struct gc *gc, int idx, int pad_type)
 	int i;
 	int err;
 
-	if (pad_type < 1 || pad_type > GC_MAX) {
+	if (pad_type < 1 || pad_type >= GC_MAX) {
 		pr_err("Pad type %d unknown\n", pad_type);
 		return -EINVAL;
 	}