Description: Include msgpack/unpack.h for msgpack_unpack_return enum
 In msgpack-c 2.1.0, unpack_template.h refers to some of the 
 msgpack_unpack_return enum values, which causes msgpack-perl to fail to
 build.  Including unpack.h resolve this failure.
Author: James McCoy <jamessan@jamessan.com>
Last-Update: 2017-09-18
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/xs-src/unpack.c
+++ b/xs-src/unpack.c
@@ -17,6 +17,7 @@
 } unpack_user;
 #define UNPACK_USER_INIT { false, false, NULL }
 
+#include "msgpack/unpack.h"
 #include "msgpack/unpack_define.h"
 
 #define msgpack_unpack_struct(name) \