win32: close the handles associated with a spawned child process
Probably not a big deal because at this point, the call is only used when
spawning a daemonized server. In that case, the parent process goes away first,
so it won't prevent the child from being cleaned up.
rust: remove comment about error handling of AncestorsIterator
To be align with
443eb4bc41af "rust: propagate error of index_get_parents()
properly."
Spotted by Georges Racinet.