Add WLAN-HESSID into RADIUS messages

This adds hostapd support for the new WLAN-HESSID attribute defined in
RFC 7268. This attribute contains the HESSID and it is added whenever
Interworking is enabled and HESSID is configured.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/radius/radius.h

@@ -93,6 +93,7 @@ enum { RADIUS_ATTR_USER_NAME = 1,
        RADIUS_ATTR_ERROR_CAUSE = 101,
        RADIUS_ATTR_EAP_KEY_NAME = 102,
        RADIUS_ATTR_MOBILITY_DOMAIN_ID = 177,
+       RADIUS_ATTR_WLAN_HESSID = 181,
 };