https://github.com/radvd-project/radvd/commit/06689f8c06f44c7e87f7ff1d814428f88375b53f
https://github.com/radvd-project/radvd/pull/161
https://github.com/radvd-project/radvd/issues/158

From: Jonathan Davies <jpds@protonmail.com>
Date: Thu, 25 Nov 2021 15:29:18 +0000
Subject: [PATCH] Reverts the include.h change in
 46883f8a1a02fe42040dd8e48aec0ed871545d4d

Closes: #158

Signed-off-by: Jonathan Davies <jpds@protonmail.com>
--- a/includes.h
+++ b/includes.h
@@ -76,12 +76,7 @@
 #include <sys/sysctl.h>
 #endif
 
-#if !defined(__GLIBC__) && defined(linux)
-#include <linux/if.h>
-#define IF_NAMESIZE IFNAMSIZ
-#else
 #include <net/if.h>
-#endif
 
 #ifdef HAVE_NET_IF_DL_H
 #include <net/if_dl.h>