staging: rtl8723au: core: rtw_led: Add blank line after declarations

The following patch fixes the checkpatch.pl warning:

drivers/staging/rtl8723au/core/rtw_led.c WARNING: Missing a blank line after declarations
Signed-off-by: Yeliz Taneroglu <yeliztaneroglu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/core/rtw_led.c

@@ -44,6 +44,7 @@ static void BlinkTimerCallback(unsigned long data)
 void BlinkWorkItemCallback23a(struct work_struct *work)
 {
 	struct led_8723a *pLed = container_of(work, struct led_8723a, BlinkWorkItem);
+
 	BlinkHandler23a(pLed);
 }