#include <config.h>
#include "PreviewImage.h"
-#include "PreviewLoader.h"
#include "GraphicsImage.h"
#include "GraphicsLoader.h"
+#include "PreviewLoader.h"
#include "support/lyxlib.h"
#include <boost/bind.hpp>
-#include <boost/signals/trackable.hpp>
namespace support = lyx::support;
+using std::string;
+
namespace lyx {
namespace graphics {