naviframe: Use elm_widget_item_del() when you want to delete the item data.
naviframe: Use elm_widget_item_del() when you want to delete the item
data.

It will call del_pre_func and free the item data.
Special thanks to glima for the report.

rvandegrift/elementary,rvandegrift/elementary,FlorentRevest/Elementary,tasn/elementary,FlorentRevest/Elementary,rvandegrift/elementary,FlorentRevest/Elementary,tasn/elementary,tasn/elementary,FlorentRevest/Elementary,tasn/elementary,rvandegrift/elementary,tasn/elementary