Fix a shutdown logic to be reachable in some case

Summary:
move evas_async_events_shutdown: to out of EVAS_CSERVE2 ifdef block
to make it reachable.

Reviewers: cedric, woohyun

Differential Revision: https://phab.enlightenment.org/D5926

Reviewed-by: Cedric BAIL <cedric@osg.samsung.com>

src/lib/evas/canvas/evas_main.c

@@ -104,8 +104,8 @@ evas_init(void)
    _evas_preload_thread_shutdown();
 #ifdef EVAS_CSERVE2
    if (cs2) evas_cserve2_shutdown();
- shutdown_async_events:
 #endif
+ shutdown_async_events:
    evas_async_events_shutdown();
  shutdown_module:
    evas_module_shutdown();