cnp: Add safety check for NULL pointer from calloc() for anim_icon.

Summary:
It could be failed to allocate memory for Anim_Icon.
CID - 337351
@fix

Reviewers: raster, thiepha, woohyun, Hermet

Differential Revision: https://phab.enlightenment.org/D2672

legacy/elementary/src/lib/elm_cnp.c

@@ -4339,6 +4339,13 @@ _anim_icons_make(Eina_List *icons)
    EINA_LIST_FOREACH(icons, itr, o)
      {  /* Now add icons to animation window */
         Anim_Icon *st = calloc(1, sizeof(*st));
+
+        if (!st)
+          {
+             ERR("Failed to allocate memory for icon!");
+             continue;
+          }
+
         evas_object_geometry_get(o, &st->start_x, &st->start_y, &st->start_w, &st->start_h);
         evas_object_show(o);
         st->o = o;