message: Inline use of StringList type in FileIo
diff: #include <NAS2D/Filesystem.h>
  #include <NAS2D/MathUtils.h>
  +#include <string>
  +#include <vector>
  +
  using namespace NAS2D;
  @@ -121,7 +124,7 @@ void FileIo::setMode(FileOperation fileOp)
  void FileIo::scanDirectory(const std::string& directory)
  {
  Filesystem& f = Utility<Filesystem>::get();
  - StringList dirList = f.directoryList(directory);
  + std::vector<std::string> dirList = f.directoryList(directory);
  mListBox.dropAllItems();
  