piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ 077b9f19a4a9486e5cd411a6fce0dec68fc2250c

Nick Mathewson 077b9f19a4 If SOCK_CLOEXEC and friends fail, fall back to regular socket() calls		14 lat temu
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bug5112	077b9f19a4 If SOCK_CLOEXEC and friends fail, fall back to regular socket() calls	14 lat temu
tinytest_update	9efee31fae Synchronize with upstream tinytest again: remove _identifiers	14 lat temu