staging: vt6656: Fix pairwise key for non station modes

patch 'vnt_set_keymode don't save pairwise key entry' caused
a slight regression in access point mode

Only don't save in station mode.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/key.c

@@ -98,7 +98,8 @@ static int vnt_set_keymode(struct ieee80211_hw *hw, u8 *mac_addr,
 	case  VNT_KEY_PAIRWISE:
 		key_mode |= mode;
 		key_inx = 4;
-		/* Don't save entry for pairwise key */
+		/* Don't save entry for pairwise key for station mode */
+		if (priv->op_mode == NL80211_IFTYPE_STATION)
 			clear_bit(entry, &priv->key_entry_inuse);
 		break;
 	default: