Fix headers

lib/mapping/CMapDefines.h

@@ -10,11 +10,11 @@
 
 #pragma once
 
-VCMI_LIB_NAMESPACE_BEGIN
-
 #include "../ResourceSet.h"
 #include "../MetaString.h"
 
+VCMI_LIB_NAMESPACE_BEGIN
+
 class TerrainType;
 class RiverType;
 class RoadType;