piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ f51418aabcc2af47f61a97f818b013ade6e45208

Nick Mathewson 1bb10353ff Add coccinelle script to remove pointless callocs		%!s(int64=10) %!d(string=hai) anos
..
calloc.cocci	5da821a8a3 Add a simple coccinelle script to replace malloc->calloc	%!s(int64=10) %!d(string=hai) anos
malloc_cast.cocci	ef9a0d2048 Add script to detect and remove unCish malloc-then-cast pattern	%!s(int64=10) %!d(string=hai) anos
uncalloc.cocci	1bb10353ff Add coccinelle script to remove pointless callocs	%!s(int64=10) %!d(string=hai) anos