elm: Fix elm_shutdown

ecore could not shut down properly in an elm_init()/elm_shutdown()
cycle, with 7 remaining references, all because of a typo.

This should help @cedric as well

src/lib/elementary/elm_main.c

@@ -883,7 +883,7 @@ elm_quicklaunch_shutdown(void)
    _elm_emotion_shutdown();
 
    ecore_file_shutdown();
-   eio_init();
+   eio_shutdown();
    ecore_shutdown();
    eet_shutdown();