wifi fail

Change-Id: If03a803c4fcba09883343a2b79997978f8279c38
diff --git a/mbtk/rootfs/etc/mbtk_wifi.sh b/mbtk/rootfs/etc/mbtk_wifi.sh
old mode 100755
new mode 100644
index eef87de..f7494f4
--- a/mbtk/rootfs/etc/mbtk_wifi.sh
+++ b/mbtk/rootfs/etc/mbtk_wifi.sh
@@ -85,7 +85,7 @@
 
 function wifi_ap_start()
 {
-	hostapd /etc/wifi/hostapd.conf -B
+	hostapd -B /etc/wifi/hostapd.conf
 	sleep 5s
 	
 	brctl addif br-lan wlan0