Input: q40kbd - make q40kbd_lock static

This patch makes the needlessly global q40kbd_lock static.
Signed-off-by: NAdrian Bunk <bunk@kernel.org>
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>

drivers/input/serio/q40kbd.c

@@ -47,7 +47,7 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 MODULE_DESCRIPTION("Q40 PS/2 keyboard controller driver");
 MODULE_LICENSE("GPL");
 
-DEFINE_SPINLOCK(q40kbd_lock);
+static DEFINE_SPINLOCK(q40kbd_lock);
 static struct serio *q40kbd_port;
 static struct platform_device *q40kbd_device;