joyent/node — pull request #3111 by shigeki (2012-04-14 11:26:35+00:00)
Title: udp: getsockname() returns its address family name

As the same reason on #3103, this patch makes dgram.address() return the object as

``{ address: '127.0.0.1', family: 'AF_INET', port: 12346 }``

to be consistent with the format of ``socket.address()``.