[MERGE] workaround for bug #81689: give a proper error message instead of traceback when symlink cannot be created (e.g. on Windows)

[Bundle Buggy]

Bundle Buggy has detected this merge request.

For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3C47454C1D.2030807%40ukr.net%3E