fix hostapd startup for no-crypto configurations

SVN-Revision: 14276

package/hostapd/files/hostapd.sh

@@ -67,6 +67,7 @@ hostapd_setup_vif() {
 		;;
 		*)
 			wpa=0
+			crypto=
 		;;
 	esac
 	config_get ifname "$vif" ifname
@@ -94,7 +95,7 @@ ${bridge:+bridge=$bridge}
 ssid=$ssid
 debug=0
 wpa=$wpa
-wpa_pairwise=$crypto
+${crypto:+wpa_pairwise=$crypto}
 $hostapd_cfg
 EOF
 	hostapd -P /var/run/wifi-$ifname.pid -B /var/run/hostapd-$ifname.conf