Fix log-uninitialized-stack bug in rend_service_intro_established.

Fixes bug 23490; bugfix on 0.2.7.2-alpha.

TROVE-2017-008
CVE-2017-0380
rend_service_allow_non_anonymous_connection(const or_options_t *options)
{
  tor_assert(rend_service_non_anonymous_mode_consistent(options));
  return options->HiddenServiceSingleHopMode ? 1 : 0;
}

rend_service_allow_non_anonymous_connection(const or_options_t *options)
{
  tor_assert(rend_service_non_anonymous_mode_consistent(options));
  return options->HiddenServiceSingleHopMode ? 1 : 0;
}
