From e55896319ba0e00f958b537e90104d7b88fabfca Mon Sep 17 00:00:00 2001
From: Jarno Malmari <jmalmari@savannah>
Date: Fri, 10 Mar 2023 14:52:54 +0200
Subject: [PATCH] Fix compilation with LWIP_DEBUG

Signed-off-by: Simon Goldschmidt <goldsimon@gmx.de>
---
 src/apps/http/altcp_proxyconnect.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/apps/http/altcp_proxyconnect.c b/src/apps/http/altcp_proxyconnect.c
index 3d5e7e83..d487620e 100644
--- a/src/apps/http/altcp_proxyconnect.c
+++ b/src/apps/http/altcp_proxyconnect.c
@@ -576,6 +576,10 @@ const struct altcp_functions altcp_proxyconnect_functions = {
   altcp_default_get_tcp_addrinfo,
   altcp_default_get_ip,
   altcp_default_get_port
+#if LWIP_TCP_KEEPALIVE
+  , altcp_default_keepalive_disable
+  , altcp_default_keepalive_enable
+#endif
 #ifdef LWIP_DEBUG
   , altcp_default_dbg_get_tcp_state
 #endif