usb: gadget: u_uac1: fix one code style problem

Fix one code style problem.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/function/u_uac1.c

@@ -308,8 +308,7 @@ int gaudio_setup(struct gaudio *card)
  */
 void gaudio_cleanup(struct gaudio *the_card)
 {
-	if (the_card) {
+	if (the_card)
 		gaudio_close_snd_dev(the_card);
-	}
 }