* ext/socket/socket.c (sock_s_pack_sockaddr_un): calculate the
  correct address length of an abstract socket.

* test/socket/test_unix.rb: related test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38963 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-01-29

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38964 b2dd03c8-39d4-4d8f-98ff-823fe69b080e