backlight: omap1: add blank line after declarations

Fixed the following checkpatch warning.

WARNING: Missing a blank line after declarations

Signed-off-by: Jingoo Han <[e-mail]>
Signed-off-by: Lee Jones <[e-mail]>

drivers/video/backlight/omap1_bl.c

···
 static int omapbl_get_intensity(struct backlight_device *dev)
 {
 	struct omap_backlight *bl = bl_get_data(dev);
+
 	return bl->current_intensity;
 }