elm: fix need/uneed so it will release memory upon elm_shutdown.
elm: fix need/uneed so it will release memory upon elm_shutdown.

Murilo Belluzzo spotted that we're incrementing a counter on an EAPI
elm_need_*(), but the unneed version is executed automatically from
elm_shutdown(), thus only once.



SVN revision: 80257

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