multibuttonentry: Fix wrong definitions.

Summary:
There is no "ELM_MULTIBUTTONENTRY_EVENT_CHANGED"
Because of this, MBE's Internal entry did not get a changed callback.

And MBE does not have changed smart callback.

Those things made by someone during EO interface working i think.

Test Plan: elementary_test

Reviewers: Hermet, cedric, jpeg

Subscribers: cedric, jpeg

Differential Revision: https://phab.enlightenment.org/D4195

src/lib/elementary/elc_multibuttonentry.c

@@ -51,7 +51,7 @@ static void _entry_focus_out_cb(void *data, const Eo_Event *event);
 static void _entry_clicked_cb(void *data, const Eo_Event *event);
 
 EO_CALLBACKS_ARRAY_DEFINE(_multi_buttonentry_cb,
-   { ELM_MULTIBUTTONENTRY_EVENT_CHANGED, _entry_changed_cb },
+   { ELM_ENTRY_EVENT_CHANGED, _entry_changed_cb },
    { ELM_WIDGET_EVENT_FOCUSED, _entry_focus_in_cb },
    { ELM_WIDGET_EVENT_UNFOCUSED, _entry_focus_out_cb },
    { EFL_UI_EVENT_CLICKED, _entry_clicked_cb }

src/lib/elementary/elm_multibuttonentry.eo

@@ -200,7 +200,6 @@ class Elm.Multibuttonentry (Elm.Layout)
       expanded;
       contracted;
       expand,state,changed;
-      changed;
    }
 
 }