[mythtv] Patch to DO deletion when file doesn't exit

[Derek Atkins]

"Chris Pinkham" <cpinkham at bc2va.org> writes:

> I think that's what he said. :)  The filesize in the DB is incremented
> during recordings so anything with a 0 could safely be deleted.

I didn't actually mean "file size in the DB is 0".  I meant "stat()"
returns filesize of 0 (as opposed to file not found).

-derek
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       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
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