staging: dgnc: dgnc_tty: Remove blank lines

Fixes checkpatch warning: waitqueue_active without comment

Signed-off-by: Vijai Kumar K <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/dgnc/dgnc_tty.c

···
 		 * When carrier rises, wake any threads waiting
 		 * for carrier in the open routine.
 		 */
-
 		if (waitqueue_active(&ch->ch_flags_wait))
 			wake_up_interruptible(&ch->ch_flags_wait);
 	}
···
 		 * When carrier rises, wake any threads waiting
 		 * for carrier in the open routine.
 		 */
-
 		if (waitqueue_active(&ch->ch_flags_wait))
 			wake_up_interruptible(&ch->ch_flags_wait);
 	}