cookie_path safety net

[Marcus I. Ryan]

Added in lib/Registry.php line 105 (just after we make sure it's set)

        /* Set the default cookie_path to '/' if webroot is empty */
        if (empty($this->applications['horde']['cookie_path'])) {
            $this->applications['horde']['cookie_path'] = '/';
        }

Hopefully this will reduce the number of problems related to people
setting cookie_path to ""

-- 
Marcus I. Ryan, marcus@riboflavin.net
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 "Love is a snowmobile racing across the tundra and then suddenly it
 flips over, pinning you underneath.  At night, the ice weasels come."
                 -- Matt Groening
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