am bc7afcb9: Merge "free the NPObject in NPP_Destroy." into eclair-mr2

Merge commit 'bc7afcb94688dedb0ae9b4b3415f46aa13e713e5' into eclair-mr2-plus-aosp

* commit 'bc7afcb94688dedb0ae9b4b3415f46aa13e713e5':
  free the NPObject in NPP_Destroy.