misc: Break the big IP header files to improve compile time

Type: refactor

Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
Change-Id: Id1801519638a9b97175847d7ed58824fb83433d6
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index b40cdbe..1343228 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -16,6 +16,8 @@
 #include <vnet/tcp/tcp.h>
 #include <vnet/tcp/tcp_inlines.h>
 #include <math.h>
+#include <vnet/ip/ip4_inlines.h>
+#include <vnet/ip/ip6_inlines.h>
 
 typedef enum _tcp_output_next
 {