Comment 2 for bug 890979

StacktraceTop:
 g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x4917df "transfer_gone", message=0x7f71426236cd "code should not be reached") at /build/buildd/glib2.0-2.28.6/./glib/gtestutils.c:1358
 transfer_gone (data=<optimized out>, was=<optimized out>) at seahorse-bind.c:448
 weak_refs_notify (data=0x13f5780) at /build/buildd/glib2.0-2.28.6/./gobject/gobject.c:2231
 g_data_set_internal (dataset=0x0, destroy_func=0, data=0x0, key_id=53, datalist=<optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gdataset.c:351
 g_datalist_id_set_data_full (datalist=<optimized out>, key_id=53, data=0x0, destroy_func=0) at /build/buildd/glib2.0-2.28.6/./glib/gdataset.c:598