staging: wlan-ng: coding style problem fix

WARNING: break is not useful after a goto or return
201: FILE: drivers/staging/wlan-ng/p80211conv.c:201:
+ return 1;
+ break;

Signed-off-by: Modestas Stankus <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/wlan-ng/p80211conv.c

···
 		netdev_err(wlandev->netdev,
 			   "Error: Converting eth to wlan in unknown mode.\n");
 		return 1;
-		break;
 	}
 
 	p80211_wep->data = NULL;