staging: dgnc: fix braces {} are not necessary for single statement blocks

This patch fixes the following checkpatch.pl warning:
braces {} are not necessary for single statement blocks
Signed-off-by: NSalah Triki <salah.triki@acm.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/dgnc/dgnc_tty.c

@@ -886,10 +886,6 @@ void dgnc_check_queue_flow_control(struct channel_t *ch)
 				ch->ch_stops_sent++;
 			}
 		}
-		/* No FLOW */
-		else {
-			/* Empty... Can't do anything about the impending overflow... */
-		}
 	}
 
 	/*