Ripngd part of 6Wind patch.
diff --git a/ripngd/ripng_route.c b/ripngd/ripng_route.c
index 27475f0..9c3c4f9 100644
--- a/ripngd/ripng_route.c
+++ b/ripngd/ripng_route.c
@@ -26,6 +26,7 @@
 #include "table.h"
 #include "memory.h"
 #include "if.h"
+#include "vty.h"
 
 #include "ripngd/ripngd.h"
 #include "ripngd/ripng_route.h"