getifaddrs_spec.rb: allow no address
spec/ruby/library/socket/socket/getifaddrs_spec.rb: allow no address for platform dependent failures.
https://travis-ci.org/ruby/ruby/jobs/445126982#L2234-L2244
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65332 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
getifaddrs_spec.rb: allow no address
spec/ruby/library/socket/socket/getifaddrs_spec.rb: allow no
address for platform dependent failures.
https://travis-ci.org/ruby/ruby/jobs/445126982#L2234-L2244
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65332 b2dd03c8-39d4-4d8f-98ff-823fe69b080e