message: Use proper includes for WarehouseReport
diff: #include "../StructureListBox.h"
  #include "../Core/Button.h"
  -#include "../Core/ComboBox.h"
  -#include "../Core/UIContainer.h"
  -#include "../Core/TextArea.h"
  #include "../../Things/Structures/Structure.h"
  +
  class WarehouseReport : public ReportInterface
  {
  public:
  