loader: fix leak of child-to-parent links on dlclose() am: 46c3aa2c0e  -s ours am: 02b94ea8ff am: 623d83754a am: 254aec13d0 am: c65740f4a5 am: 59abd613d4 am: 2514cb784d am: f3537c61bf am: be8327ce71 am: 6be47949d6
am: 4852206c8b

Change-Id: I2ffa928ec3f42c062a8dd8ed71ef74ba2012a754