backlight: omap1: add blank line after declarations

Fixed the following checkpatch warning.

  WARNING: Missing a blank line after declarations

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c
index a0dcd88..546d94d 100644
--- a/drivers/video/backlight/omap1_bl.c
+++ b/drivers/video/backlight/omap1_bl.c
@@ -120,6 +120,7 @@
 static int omapbl_get_intensity(struct backlight_device *dev)
 {
 	struct omap_backlight *bl = bl_get_data(dev);
+
 	return bl->current_intensity;
 }