Comment 3 for bug 732945

StacktraceTop:
 Xapian::MSetIterator::operator* (this=0xbfb4cf48) at ../api/omenquire.cc:565
 unity_package_searcher_get_random_apps (searcher=0x8d80b40, filter_query=0x8e77320 "category:Development", n_apps=12) at ./unity-package-search.cc:456
 unity_applications_place_daemon_update_entry_search_co (data=0xb641d878) at daemon.c:908
 dispatch_async_callback (source_object=0x8d81008, res=0xb64044c0, user_data=0x8e8e720) at zeitgeist-index.c:204
 g_simple_async_result_complete (simple=0xb64044c0) at /build/buildd/glib2.0-2.28.2/./gio/gsimpleasyncresult.c:747