#0  gtk_image_definition_unref (def=0x0) at ././gtk/gtkimagedefinition.c:249
  [Error: gtkimagedefinition.c was not found in source tree]
#1  0xf7047502 in gtk_drag_source_site_destroy (data=0xf3603b20) at ././gtk/gtkdragsource.c:117
  [Error: gtkdragsource.c was not found in source tree]
#2  0xf683887d in g_datalist_clear () from /tmp/apport_sandbox_00X9V6/lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xf694c8ec in ?? () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#4  0xf694d255 in g_object_unref () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#5  0xf694ed70 in g_object_run_dispose () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#6  0xf7238912 in gtk_widget_destroy (widget=0x57252230) at ././gtk/gtkwidget.c:4722
  [Error: gtkwidget.c was not found in source tree]
#7  0xf70fa1ec in gtk_menu_shell_forall (container=0x570b3fb8, include_internals=0, callback=0xf72388a0 <gtk_widget_destroy>, callback_data=0x0) at ././gtk/gtkmenushell.c:1156
  [Error: gtkmenushell.c was not found in source tree]
#8  0xf700c968 in gtk_container_foreach (container=0x570b3fb8, callback=0xf72388a0 <gtk_widget_destroy>, callback_data=0x0) at ././gtk/gtkcontainer.c:2472
  [Error: gtkcontainer.c was not found in source tree]
#9  0xf700dafe in gtk_container_destroy (widget=0x570b3fb8) at ././gtk/gtkcontainer.c:1700
  [Error: gtkcontainer.c was not found in source tree]
#10 0xf6948835 in g_closure_invoke () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#11 0xf695b00b in ?? () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#12 0xf6963856 in g_signal_emit_valist () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#13 0xf6963b75 in g_signal_emit () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#14 0xf7241cef in gtk_widget_dispose (object=0x570b3fb8) at ././gtk/gtkwidget.c:12069
  [Error: gtkwidget.c was not found in source tree]
#15 0xf694ed68 in g_object_run_dispose () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#16 0xf7238912 in gtk_widget_destroy (widget=0x570b3fb8) at ././gtk/gtkwidget.c:4722
  [Error: gtkwidget.c was not found in source tree]
#17 0xf70f6736 in gtk_menu_item_destroy (widget=0x57165238) at ././gtk/gtkmenuitem.c:1150
  [Error: gtkmenuitem.c was not found in source tree]
#18 0xf69488db in g_closure_invoke () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#19 0xf695b00b in ?? () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#20 0xf6963856 in g_signal_emit_valist () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#21 0xf6963b75 in g_signal_emit () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#22 0xf7241cef in gtk_widget_dispose (object=0x57165238) at ././gtk/gtkwidget.c:12069
  [Error: gtkwidget.c was not found in source tree]
#23 0xf694ed68 in g_object_run_dispose () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#24 0xf7238912 in gtk_widget_destroy (widget=0x57165238) at ././gtk/gtkwidget.c:4722
  [Error: gtkwidget.c was not found in source tree]
#25 0x565acf5a in handle_matemenu_tree_changed (tree=0x570b5200, menu=0x570b3260) at menu.c:1244
  1239: 	guint idle_id;
  1240: 
  1241: 	GList *list, *l;
  1242: 	list = gtk_container_get_children (GTK_CONTAINER (menu));
  1243: 	for (l = list; l; l = l->next)
  1244: 		gtk_widget_destroy (l->data);
  1245: 	g_list_free (list);
  1246: 
  1247: 	g_object_set_data_full (G_OBJECT (menu),
  1248: 				"panel-menu-tree-directory",
  1249: 				NULL, NULL);
#26 0xf6ba462e in ?? () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libmate-menu.so.2
#27 0xf6ba9826 in ?? () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libmate-menu.so.2
#28 0xf6ba2d80 in ?? () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libmate-menu.so.2
#29 0xf6bac5f9 in ?? () from /tmp/apport_sandbox_00X9V6/usr/lib/i386-linux-gnu/libmate-menu.so.2
#30 0xf6855ecb in g_main_context_dispatch () from /tmp/apport_sandbox_00X9V6/lib/i386-linux-gnu/libglib-2.0.so.0
#31 0xf68562b9 in ?? () from /tmp/apport_sandbox_00X9V6/lib/i386-linux-gnu/libglib-2.0.so.0
#32 0xf6856669 in g_main_loop_run () from /tmp/apport_sandbox_00X9V6/lib/i386-linux-gnu/libglib-2.0.so.0
#33 0xf70dd92e in gtk_main () at ././gtk/gtkmain.c:1312
  [Error: gtkmain.c was not found in source tree]
#34 0x5659651a in main (argc=<optimized out>, argv=<optimized out>) at main.c:168
  163: 	gtk_show_about_dialog(NULL,
  164: 		"program-name", _("Notification Area"),
  165: 		"authors", authors,
  166: 		//"comments", _(comments),
  167: 		"copyright", copyright,
  168: 		"documenters", documenters,
  169: 		"logo-icon-name", NOTIFICATION_AREA_ICON,
  170: 		"translator-credits", _("translator-credits"),
  171: 		"version", VERSION,
  172: 		NULL);
  173: }