fixed typo (tx gregoa)
Ssh GSSAPI* param: set upstream_default to 0 (instead of default)

hence the "no" value is not written to file. only "yes" will be written
formatting change
v1.232

  * Ssh::GSSAPI* params: set upstream_default to 0 (instead of default)
  * fixed typo in Sshd::MatchCondition  description (tx gregoa)