gre: add support for MikroTik Ethernet-over-IP hack.

[tcpdump] / print-sll.c

diff --git a/print-sll.c b/print-sll.c
index 19d2973edadec81cc1ad0fa18c25eb0ba96e2e03..eb8d620a448b6806e011ee2bd4eb2b6a7c2d5a4e 100644 (file)
--- a/print-sll.c
+++ b/print-sll.c
@@ -26,6 +26,11 @@
 #endif
 
 #ifdef HAVE_NET_IF_H
+/*
+ * Include diag-control.h before <net/if.h>, which too defines a macro
+ * named ND_UNREACHABLE.
+ */
+#include "diag-control.h"
 #include <net/if.h>
 #endif