From fd5b34ae430acd212f09383801dd4a9ee0a17e6a Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon@gmx.de>
Date: Tue, 23 Aug 2016 15:26:05 +0200
Subject: [PATCH] ip4_forward(): fixed compiling
 IP_FORWARD_ALLOW_TX_ON_RX_NETIF==1

---
 src/core/ipv4/ip4.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/core/ipv4/ip4.c b/src/core/ipv4/ip4.c
index fb51d221..27747ea7 100644
--- a/src/core/ipv4/ip4.c
+++ b/src/core/ipv4/ip4.c
@@ -267,6 +267,7 @@ ip4_forward(struct pbuf *p, struct ip_hdr *iphdr, struct netif *inp)
   struct netif *netif;
 
   PERF_START;
+  LWIP_UNUSED_ARG(inp);
 
   if (!ip4_canforward(p)) {
     goto return_noroute;