message: update include path, because DiffView was moved to a subfolder with all his widgets
diff: #include "dialogs/StartDialog.h"
  #include "ui/CommitList.h"
  #include "ui/DetailView.h"
  -#include "ui/DiffView.h"
  +#include "ui/DiffView/DiffView.h"
  #include "ui/FileList.h"
  #include "ui/Footer.h"
  #include "ui/MainWindow.h"
  