[ARM] pxa: make "gpio_leds" static

Magician's "gpio_leds" was global, but actually is supposed to be
private.  Make it so.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-pxa/magician.c

@@ -409,7 +409,7 @@ static struct platform_device backlight = {
  * LEDs
  */
 
-struct gpio_led gpio_leds[] = {
+static struct gpio_led gpio_leds[] = {
 	{
 		.name = "magician::vibra",
 		.default_trigger = "none",