Merge branch 'bug34078_prelim_035' into maint-0.3.5

configure.ac

src/core/proto/proto_socks.c

src/ext/ed25519/donna/ed25519_tor.c

src/feature/dirauth/keypin.c

src/feature/relay/dns.c

src/lib/cc/compat_compiler.h

src/lib/crypt_ops/crypto_digest.c

src/lib/net/address.c