Move AreaStore to util

src/script/lua_api/l_areastore.h

@@ -17,15 +17,14 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_AREASTORE_H_
-#define L_AREASTORE_H_
+#ifndef L_AREA_STORE_H_
+#define L_AREA_STORE_H_
 
 #include "lua_api/l_base.h"
-#include "areastore.h"
 
-/*
-  AreaStore
- */
+
+class AreaStore;
+
 class LuaAreaStore : public ModApiBase {
 private:
 
@@ -66,4 +65,4 @@ public:
 	static void Register(lua_State *L);
 };
 
-#endif /* L_AREASTORE_H_ */
+#endif // L_AREA_STORE_H_