piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ 03017191dd0ae521fe7e7e30fa8d877e534fd831

Nick Mathewson 36631d6401 Fix a couple of win32-related build issues when using latest libevent.		19 lat temu
..
vc6	39ff8047a8 Revise project files; make them work	19 lat temu
vc7	36631d6401 Fix a couple of win32-related build issues when using latest libevent.	19 lat temu