ephysics: Avoid use after free.

Like the one before. This time we use free deirectly so no delay. Don't
use it after being freed.

CID: 1039894

src/lib/ephysics/ephysics_world.cpp

@@ -407,8 +407,8 @@ _ephysics_world_free(EPhysics_World *world)
    eina_condition_free(&world->condition);
    eina_lock_free(&world->mutex);
 
-   free(world);
    INF("World %p deleted.", world);
+   free(world);
    ephysics_dom_count_dec();
 }