Fixed a crash when selecting database mode in the menu

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9285 a1c6a512-1295-4272-9138-f99709370657

apps/tree.c

@@ -690,6 +690,8 @@ static bool dirbrowse(void)
                     restore = true;
 
                     id3db = check_changed_id3mode(id3db);
+                    if(id3db)
+                        reload_dir = true;
                 }
                 else /* use it as a quick exit instead */
                     exit_func = true;