message: Don't leak Display* handle
diff: @@ -224,7 +224,6 @@ void DisplayRendererPreview(IReplayController *renderer, TextureDisplay &display
  if(connection == NULL)
  {
  - XCloseDisplay(display);
  std::cerr << "Couldn't get XCB connection from Xlib Display" << std::endl;
  return;
  }
  @@ -451,5 +450,9 @@ int main(int argc, char *argv[])
  add_version_line(support);
  }
  - return renderdoccmd(env, argc, argv);
  + int ret = renderdoccmd(env, argc, argv);
  +
  + XCloseDisplay(display);
  +
  + return ret;
  }
  