gtp: Add missing headers
Those headers are using types defined in other places (like sockaddr_in)
and don't explicitly include them, which makes future queue_test fail.
Change-Id: I65e12a067d89ef71be3719636b64f4d93ea73cc4
diff --git a/gtp/queue.h b/gtp/queue.h
index ec5f3de..76cb7be 100644
--- a/gtp/queue.h
+++ b/gtp/queue.h
@@ -17,6 +17,8 @@
#ifndef _QUEUE_H
#define _QUEUE_H
+#include "gtp.h"
+
#define QUEUE_DEBUG 0 /* Print debug information */
#define QUEUE_SIZE 1024 /* Size of retransmission queue */