raddrinfo.c: fix memory leak
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50187 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
raddrinfo.c: fix memory leak
addrinfo. [ruby-dev:48923] [Bug #11051]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50187 b2dd03c8-39d4-4d8f-98ff-823fe69b080e