harningt/luaevent — pull request #3 by Zash (2013-04-25 21:17:41+00:00)
Title: event_callback: Fix segmentation fault

If an event is closed and an error occurs in the same callback, it would
cause a segfault due to cb->base being NULL. Previous commits has
this covered if the event is closed **or** there's an error, but not both.