Merge pull request #507 from ZuluSCSI/fix/do-not-join-empty-ssid

Do not join Wi-Fi SSID if SSID string is empty on init

src/ZuluSCSI.cpp

@@ -843,7 +843,8 @@ static void reinitSCSI()
   if (scsiDiskCheckAnyNetworkDevicesConfigured())
   {
     platform_network_init(scsiDev.boardCfg.wifiMACAddress);
-    platform_network_wifi_join(scsiDev.boardCfg.wifiSSID, scsiDev.boardCfg.wifiPassword);
+    if (scsiDev.boardCfg.wifiSSID[0] != '\0')
+      platform_network_wifi_join(scsiDev.boardCfg.wifiSSID, scsiDev.boardCfg.wifiPassword);
   }
 #endif // ZULUSCSI_NETWORK