[golang-googlecode-net/f20] (3 commits) ...don't fail on ipv6 check

[Vincent Batts]

Summary of changes:

  f212b2f... exclusive arch for el6+, add check (*)
  9d51816... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass (*)
  fe7eaf7... don't fail on ipv6 check (*)

(*) This commit already existed in another branch; no separate mail sent