Update WiFiGeneric.h

Author: Jason2866

libraries/WiFi/src/WiFiGeneric.h

@@ -33,7 +33,9 @@
 #include "IPAddress.h"
 #include "esp_smartconfig.h"
 #include "esp_netif_types.h"
+#if CONFIG_ETH_ENABLED
 #include "esp_eth_driver.h"
+#endif
 #if CONFIG_NETWORK_PROV_NETWORK_TYPE_WIFI
 #include "network_provisioning/manager.h"
 #endif