From 70ced65aafe744a18970cda30c228c210ab73551 Mon Sep 17 00:00:00 2001
From: s-hadinger <49731213+s-hadinger@users.noreply.github.com>
Date: Sat, 5 Aug 2023 10:17:56 +0200
Subject: [PATCH] Fix compilation when IPv6 is not supported (#19260)

---
 lib/libesp32/ESP32-to-ESP8266-compat/src/ESP8266WiFi.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/libesp32/ESP32-to-ESP8266-compat/src/ESP8266WiFi.h b/lib/libesp32/ESP32-to-ESP8266-compat/src/ESP8266WiFi.h
index 943b89e9a..94cf3d6c1 100644
--- a/lib/libesp32/ESP32-to-ESP8266-compat/src/ESP8266WiFi.h
+++ b/lib/libesp32/ESP32-to-ESP8266-compat/src/ESP8266WiFi.h
@@ -76,8 +76,8 @@ public:
 
     void scrubDNS(void);
 protected:
-    ip_addr_t dns_save4[DNS_MAX_SERVERS] = {};      // IPv4 DNS servers
 #ifdef USE_IPV6
+    ip_addr_t dns_save4[DNS_MAX_SERVERS] = {};      // IPv4 DNS servers
     ip_addr_t dns_save6[DNS_MAX_SERVERS] = {};      // IPv6 DNS servers
 #endif // USE_IPV6
 };