eo: call efl_object_class_get() during efl_object_init()

Summary:
ensure that this is always called for the first time from the
main thread to avoid triggering asserts during shutdown

ref T7003

Reviewers: bu5hm4n, devilhorns

Reviewed By: bu5hm4n

Subscribers: cedric, #committers

Tags: #efl

Maniphest Tasks: T7003

Differential Revision: https://phab.enlightenment.org/D6272

src/lib/eo/eo.c

@@ -2314,6 +2314,8 @@ efl_object_init(void)
 
    /* bootstrap EFL_CLASS_CLASS */
    (void) EFL_CLASS_CLASS;
+   /* bootstrap EFL_OBJECT_CLASS */
+   (void) EFL_OBJECT_CLASS;
 
    return EINA_TRUE;
 }