loader: fix leak of child-to-parent links on dlclose() am: 772db5e6 am: 78b10daa -s ours am: dfb42b36 am: de4e1ef7 am: 62110f95 am: cb3e51d0 am: b2792c70 Change-Id: Id90e8ed17cdd2804d6f6534cfbbb70e1892be0cd