From bf21c0e0999ed9b191d019ea2111a54c9c19d795 Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Wed, 25 Apr 2018 11:41:40 +0100
Subject: [PATCH] MSVC build fixes, ooops

---
 simgear/structure/subsystem_mgr.cxx  | 2 ++
 simgear/structure/subsystem_mgr.hxx  | 1 +
 simgear/structure/subsystem_test.cxx | 1 +
 3 files changed, 4 insertions(+)

diff --git a/simgear/structure/subsystem_mgr.cxx b/simgear/structure/subsystem_mgr.cxx
index da180d5b..ac46eeab 100644
--- a/simgear/structure/subsystem_mgr.cxx
+++ b/simgear/structure/subsystem_mgr.cxx
@@ -167,6 +167,8 @@ std::string SGSubsystem::nameForState(State s)
     case State::SUSPEND: return "suspend";
     case State::RESUME: return "resume";
     }
+
+	return {};
 }
 
 ////////////////////////////////////////////////////////////////////////
diff --git a/simgear/structure/subsystem_mgr.hxx b/simgear/structure/subsystem_mgr.hxx
index 6b9d5888..26674a02 100644
--- a/simgear/structure/subsystem_mgr.hxx
+++ b/simgear/structure/subsystem_mgr.hxx
@@ -28,6 +28,7 @@
 #include <string>
 #include <map>
 #include <vector>
+#include <functional>
 
 #include <simgear/timing/timestamp.hxx>
 #include <simgear/structure/SGSharedPtr.hxx>
diff --git a/simgear/structure/subsystem_test.cxx b/simgear/structure/subsystem_test.cxx
index fb27a664..cb07e902 100644
--- a/simgear/structure/subsystem_test.cxx
+++ b/simgear/structure/subsystem_test.cxx
@@ -1,6 +1,7 @@
 #include <simgear_config.h>
 
 #include <cstdio>
+#include <algorithm>
 
 #include <simgear/compiler.h>
 #include <simgear/constants.h>