passt: Drop <linux/ipv6.h> include, carry own ipv6hdr and opt_hdr definitions

This is the only remaining Linux-specific include -- drop it to avoid
clang-tidy warnings and to make code more portable.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/udp.c b/udp.c
index 3b8a70a..15e0c96 100644
--- a/udp.c
+++ b/udp.c
@@ -110,8 +110,6 @@
 #include <unistd.h>
 #include <time.h>
 
-#include <linux/ipv6.h>
-
 #include "checksum.h"
 #include "util.h"
 #include "passt.h"