backlight/leds: Make two structs static

This patch makes two needlessly global structs static.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index 6f652c6..299fd31 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -149,7 +149,7 @@
 	return sprintf(buf, "%d\n", ld->props.max_contrast);
 }
 
-struct class *lcd_class;
+static struct class *lcd_class;
 
 static void lcd_device_release(struct device *dev)
 {