From bda68c33d94939b37c1651b589511214a6b9e881 Mon Sep 17 00:00:00 2001
From: William Woodall <william+github@osrfoundation.org>
Date: Mon, 27 Mar 2017 23:57:13 -0700
Subject: [PATCH] Fix warning about struct being redefined as class (#228)

---
 cartographer/mapping/trajectory_node.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cartographer/mapping/trajectory_node.h b/cartographer/mapping/trajectory_node.h
index a5d8a1a..bf58c3d 100644
--- a/cartographer/mapping/trajectory_node.h
+++ b/cartographer/mapping/trajectory_node.h
@@ -29,7 +29,7 @@
 namespace cartographer {
 namespace mapping {
 
-struct Submaps;
+class Submaps;
 
 struct TrajectoryNode {
   struct ConstantData {