e_view makes abort if stack change function's parameters are same.
So do not execute e_view_place_above or e_view_place_below if same E_Client come.
Change-Id: I6f2282d856c451b74721034f1c2d576e47bbc13a
if (!ec->frame) return;
if (!above) return;
if (!above->frame) return;
+ if (ec == above) return;
ec_view = e_view_client_view_get(PRI(ec)->view_client);
above_view = e_view_client_view_get(PRI(above)->view_client);
if (!ec->frame) return;
if (!below) return;
if (!below->frame) return;
+ if (ec == below) return;
ec_view = e_view_client_view_get(PRI(ec)->view_client);
below_view = e_view_client_view_get(PRI(below)->view_client);