Update to tor-0.3.4.9.

- Distribution verified by nickm's key.
- Build and test verified for Linux.
- Build verified for mingw.

env.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 
-export BRAVE_TOR_VERSION="6"
-export TOR_VERSION="0.3.4.8"
+export BRAVE_TOR_VERSION="0"
+export TOR_VERSION="0.3.4.9"
 
 export ZLIB_VERSION=1.2.11
 export LIBEVENT_VERSION=2.1.8-stable
@@ -10,7 +10,7 @@ export OPENSSL_VERSION=1.0.2o
 export ZLIB_HASH=c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1
 export LIBEVENT_HASH=965cc5a8bb46ce4199a47e9b2c9e1cae3b137e8356ffdad6d94d3b9069b71dc2
 export OPENSSL_HASH=ec3f5c9714ba0fd45cb4e087301eb1336c317e0d20b575a125050470e8089e4d
-export TOR_HASH=826a4cb2c099a29c7cf91516ffffcfcb5aace7533b8853a8c8bddcfe2bfb1023
+export TOR_HASH=1a171081f02b9a6ff9e28c0898defb7670e5bbb3bdbcaddfcf4e4304aedd164a
 
 export LIBEVENT_KEY=9E3AC83A27974B84D1B3401DB86086848EF8686D
 export TOR_KEY=2133BC600AB133E1D826D173FE43009C4607B1FB