.manifest in kgio-2.7.4 vs .manifest in kgio-2.8.0

@@ -50,15 +50,17 @@
 test/test_peek.rb
 test/test_pipe_popen.rb
 test/test_pipe_read_write.rb
 test/test_poll.rb
 test/test_singleton_read_write.rb
+test/test_socket.rb
 test/test_socketpair_read_write.rb
 test/test_tcp6_client_read_server_write.rb
 test/test_tcp_client_read_server_write.rb
 test/test_tcp_connect.rb
 test/test_tcp_server.rb
 test/test_tcp_server_read_client_write.rb
+test/test_tfo.rb
 test/test_tryopen.rb
 test/test_unix_client_read_server_write.rb
 test/test_unix_connect.rb
 test/test_unix_server.rb
 test/test_unix_server_read_client_write.rb