message: Adds OSX support for opening a file manager
diff: @@ -2386,7 +2386,8 @@ void RepoView::openFileManager()
  arg = arg.replace("\"", "\"\"");
  #elif defined(Q_OS_MACOS)
  - // TODO
  + fileManagerCmd = "open \"%1\"";
  + arg = arg.replace("\"", "\\\"");
  #elif defined(Q_OS_UNIX)
  fileManagerCmd = "xdg-open \"%1\"";
  