joyent/libuv — pull request #1253 by saghul (2014-04-23 16:19:11+00:00)
Title: unix: handle case when addr is not initialized after recvmsg

If the handle was opened using `uv_udp_open` ift's possible that the
kernel doesn't fill in the msg_name field, so return NULL as the address
in that case.

fixes #1252