[keel] Cleanup headers

src/nostalgia/player/app.cpp

@@ -2,6 +2,8 @@
  * Copyright 2016 - 2023 Gary Talent (gary@drinkingtea.net). All rights reserved.
  */
 
+#include <keel/media.hpp>
+
 #include <nostalgia/core/core.hpp>
 #include <nostalgia/scene/scene.hpp>
 

src/nostalgia/player/main.cpp

@@ -4,6 +4,8 @@
 
 #include <ox/logconn/logconn.hpp>
 
+#include <keel/media.hpp>
+
 #include <nostalgia/core/core.hpp>
 
 #include <nostalgia/appmodules/appmodules.hpp>

src/nostalgia/tools/pack.cpp

@@ -9,6 +9,7 @@
 #include <ox/logconn/logconn.hpp>
 
 #include <keel/keel.hpp>
+
 #include <nostalgia/appmodules/appmodules.hpp>
 #include <nostalgia/core/typestore.hpp>