Decouple <cstddef>

src/GamePreferences.h

@@ -3,6 +3,7 @@
 
 #include "Preference.h"
 #include "GameConstantsAndTypes.h"
+
 /** @brief Quick access to other variables. */
 namespace GamePreferences
 {
@@ -16,7 +17,7 @@ namespace GamePreferences
 /*
  * (c) 2001-2004 Chris Danford, Chris Gomez
  * All rights reserved.
- * 
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
@@ -26,7 +27,7 @@ namespace GamePreferences
  * copyright notice(s) and this permission notice appear in all copies of
  * the Software and that both the above copyright notice(s) and this
  * permission notice appear in supporting documentation.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF