ivaynberg/select2 — pull request #2613 by tonybaroneee (2014-08-13 17:51:36+00:00)
Title: [IE8] Null checking in destroy method

IE8 is still broken since self._sync is undefined. We need to check that it exists first before running detachEvent.

https://github.com/ivaynberg/select2/issues/2467
https://github.com/ivaynberg/select2/issues/2498