Use scan results for reconnection

This patch uses existing scan results for fast connection on REASSOCIATE
and RECONNECT commands.

Signed-hostap: Masashi Honma <masashi.honma@gmail.com>

wpa_supplicant/wpa_supplicant.c

@@ -3757,5 +3757,7 @@ void wpas_request_connection(struct wpa_supplicant *wpa_s)
 	wpa_s->extra_blacklist_count = 0;
 	wpa_s->disconnected = 0;
 	wpa_s->reassociate = 1;
-	wpa_supplicant_req_scan(wpa_s, 0, 0);
+
+	if (wpa_supplicant_fast_associate(wpa_s) != 1)
+		wpa_supplicant_req_scan(wpa_s, 0, 0);
 }