Fix Undo/Redo button state after the last document has been closed.

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@4940 ea778897-0a13-0410-b9d1-a72fbfd435f5

ChangeLog

+2010-05-22  Enrico Tröger  <enrico(dot)troeger(at)uvena(dot)de>
+
+ * src/ui_utils.c:
+   Fix Undo/Redo button state after the last document has been closed.
+
+
 2010-05-19  Frank Lanitz  <frank(at)frank(dot)uvena(dot)de>
 
  * plugins/classbuilder.c:

src/document.c

@@ -673,6 +673,7 @@ gboolean document_remove_page(guint page_num)
 		/*on_notebook1_switch_page(GTK_NOTEBOOK(main_widgets.notebook), NULL, 0, NULL);*/
 		ui_set_window_title(NULL);
 		ui_save_buttons_toggle(FALSE);
+		ui_update_popup_reundo_items(NULL);
 		ui_document_buttons_update();
 		build_menu_update(NULL);
 	}