[dev] registry.php - better handling of some boolean value

[Chuck Hagenbuch]

Quoting steve <mailling at gmx.co.uk>:

> About lib/registry.php, it seems that for PHP 4.3.2 for Windows, the
> $return value doesn't work correctly if there is an error in the include
> file. Here is a workaround that makes the code a little bit cleaner:

I'm not sure why this makes the code cleaner, and this makes no sense to me as
to why it'd fix anything.

-chuck

--
Charles Hagenbuch, <chuck at horde.org>
"I'm really... I'm not too fascinated by green food." - Average Joe