-__u32 is likely not understood if we do not have in6_ifreq already; try using uint32...

diff --git a/src/exit/gnunet-helper-exit.c b/src/exit/gnunet-helper-exit.c
index 573bb7a502ebb5a8c49b41fbf87ebc887defd2d4..d469c1949e807d179a014bb75424831cebf628fa 100644 (file)
--- a/src/exit/gnunet-helper-exit.c
+++ b/src/exit/gnunet-helper-exit.c
@@ -83,7 +83,7 @@ static const char *sbin_iptables;
 struct in6_ifreq
 {
   struct in6_addr ifr6_addr;
-  __u32 ifr6_prefixlen;
+  uint32_t ifr6_prefixlen; /* __u32 in the original */
   int ifr6_ifindex;
 };
 #endif