Comment 2 for bug 921695

StacktraceTop:
 g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7feca785e960 "gtk_file_chooser_default_initial_focus", message=0x20c5e10 "assertion failed: (widget != NULL)") at /build/buildd/glib2.0-2.30.0/./glib/gtestutils.c:1425
 g_assertion_message_expr (domain=0x7feca7848fbb "Gtk", file=0x7feca785fa58 "/build/buildd/gtk+2.0-2.24.6/gtk/gtkfilechooserdefault.c", line=8751, func=0x7feca785e960 "gtk_file_chooser_default_initial_focus", expr=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gtestutils.c:1436
 gtk_file_chooser_default_initial_focus (chooser_embed=<optimized out>) at /build/buildd/gtk+2.0-2.24.6/gtk/gtkfilechooserdefault.c:8751
 gtk_file_chooser_dialog_map (widget=<optimized out>) at /build/buildd/gtk+2.0-2.24.6/gtk/gtkfilechooserdialog.c:359
 g_closure_invoke (closure=0x1c572f0, return_value=0x0, n_param_values=1, param_values=0x7fec9402e400, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774