Nick Kralevich 929b4855b8 Fix a problem with leaking UDP sockets.
When dealing with any kind of limited operating system resource,
we should ensure that we properly close everything that we
open, rather than relying on the system garbage collector.

Change-Id: Ic71f710eb85ac71a91b7a1215647c75010d37643
2010-06-09 14:27:43 -07:00
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