Staging: rtl8712: remove break after return statement

This patch fixes checkpatch.pl warning in rtl871x_ioctl_linux.c file
WARNING : break is not useful after goto or return

Signed-off-by: Tapasweni Pathak <tapaswenipathak@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/rtl871x_ioctl_linux.c

@@ -2144,7 +2144,6 @@ static int wpa_set_param(struct net_device *dev, u8 name, u32 value)
 		break;
 	case IEEE_PARAM_AUTH_ALGS:
 		return wpa_set_auth_algs(dev, value);
-		break;
 	case IEEE_PARAM_IEEE_802_1X:
 		break;
 	case IEEE_PARAM_WPAX_SELECT: