Bug in event preferences "sound" part
When expanding the sounds part of the Events page a second time the Preferences dialog freezes.
To reproduce: Use (+) to expand Sounds Use (-) to minimize Sounds Use (+) to expand Sounds Now the dialog freezes.
Tested under windows with 0.11.4 installed from the "New windows installer (13 December 2007) " that got GTK+ 2.12.3.