* ext/socket/unixsocket.c (rsock_init_unixsock): Open a socket
  after path length check.
  This fixes a fd leak by TestSocket_UNIXSocket#test_too_long_path.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46218 b2dd03c8-39d4-4d8f-98ff-823fe69b080e