Security update for tor

This update for tor fixes vulnerabilities that allowed some
traffic confirmation, DoS and other attacks (bsc#1070849):

- CVE-2017-8819: Replay-cache ineffective for v2 onion services
- CVE-2017-8820: Remote DoS attack against directory authorities
- CVE-2017-8821: An attacker can make Tor ask for a password
- CVE-2017-8822: Relays can pick themselves in a circuit path
- CVE-2017-8823: Use-after-free in onion service v2

Fixed bugs
bnc#1070849
VUL-0: tor: CVE-2017-8819,CVE-2017-8820,CVE-2017-8821,CVE-2017-8822,CVE-2017-8813: multiple vulnerabilities
Selected Binaries
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